import type { Session } from "@opencode-ai/sdk/v2/client"
import { createEffect, createMemo, For, Match, on, onCleanup, onMount, Show, Switch } from "solid-js"
import { makeEventListener } from "@solid-primitives/event-listener"
import { createStore } from "solid-js/store"
import { useQuery } from "@tanstack/solid-query"
import { Button } from "@opencode-ai/ui/button"
import { Logo } from "@opencode-ai/ui/logo"
import { Spinner } from "@opencode-ai/ui/spinner"
import { ProjectAvatar } from "@opencode-ai/ui/v2/project-avatar-v2"
import { ButtonV2 } from "@opencode-ai/ui/v2/button-v2"
import { Icon as IconV2 } from "@opencode-ai/ui/v2/icon"
import { IconButtonV2 } from "@opencode-ai/ui/v2/icon-button-v2"
import { MenuV2 } from "@opencode-ai/ui/v2/menu-v2"
import { TabStateIndicator } from "@opencode-ai/ui/v2/tab-state-indicator"
import { getProjectAvatarVariant, useLayout, type LocalProject } from "@/context/layout"
import { useNavigate } from "@solidjs/router"
import { base64Encode } from "@opencode-ai/core/util/encode"
import { Icon } from "@opencode-ai/ui/icon"
import { usePlatform } from "@/context/platform"
import { DateTime } from "luxon"
import { useDialog } from "@opencode-ai/ui/context/dialog"
import { DialogSelectDirectory } from "@/components/dialog-select-directory"
import { DialogSelectServer } from "@/components/dialog-select-server"
import { ServerConnection, useServer } from "@/context/server"
import { useServerSync } from "@/context/server-sync"
import { useServers } from "@/context/servers"
import { useLanguage } from "@/context/language"
import { useNotification } from "@/context/notification"
import { usePermission } from "@/context/permission"
import { displayName, getProjectAvatarSource, projectForSession, sortedRootSessions } from "@/pages/layout/helpers"
import { sessionTitle } from "@/utils/session-title"
import { pathKey } from "@/utils/path-key"
import { messageAgentColor } from "@/utils/agent"
import { sessionPermissionRequest } from "@/pages/session/composer/session-request-tree"
import { useCommand } from "@/context/command"
import { useSettings } from "@/context/settings"
import { ServerHealthIndicator } from "@/components/server/server-row"

const HOME_SESSION_LIMIT = 15
const HOME_ROW_LAYOUT =
  "flex min-w-0 w-full shrink-0 cursor-default items-center rounded-[6px] bg-transparent text-left transition-[background-color,color,box-shadow] duration-[120ms] ease-in-out focus-visible:outline-none"
const HOME_ROW_BASE = `${HOME_ROW_LAYOUT} border-0`
const HOME_ROW = `${HOME_ROW_BASE} [font-weight:530] text-v2-text-text-muted hover:bg-v2-overlay-simple-overlay-hover focus-visible:bg-v2-overlay-simple-overlay-hover`
const HOME_PROJECT_NAV_LABEL = "min-w-0 flex-1 overflow-hidden text-ellipsis whitespace-nowrap"
const HOME_PROJECT_NAV_ROW = `${HOME_ROW_LAYOUT} h-7 gap-2 px-1.5 [font-weight:440] text-v2-text-text-muted hover:bg-v2-background-bg-layer-01 hover:text-v2-text-text-base hover:[box-shadow:inset_0_0_0_0.5px_var(--v2-border-border-muted)] data-[selected]:bg-v2-background-bg-layer-02 data-[selected]:text-v2-text-text-base data-[selected]:[box-shadow:inset_0_0_0_0.5px_var(--v2-border-border-muted)] data-[selected]:hover:bg-v2-background-bg-layer-02 focus-visible:bg-v2-background-bg-layer-01 focus-visible:text-v2-text-text-base focus-visible:[box-shadow:inset_0_0_0_0.5px_var(--v2-border-border-muted)]`
const HOME_SECTION_LABEL = "text-v2-text-text-muted [font-weight:440]"

type HomeSessionRecord = {
  session: Session
  project: LocalProject
  projectName: string
}

type HomeSessionGroup = {
  id: "today" | "yesterday" | "older"
  title: string
  sessions: HomeSessionRecord[]
}

const HOME_SESSION_SEARCH_RESULTS_ID = "home-session-search-results"
const HOME_SEARCH_RESULT_ROW =
  "flex h-10 w-full shrink-0 cursor-default items-center gap-2 border-0 py-3 pl-4 pr-6 text-left transition-[background-color] duration-[120ms] ease-in-out hover:bg-v2-overlay-simple-overlay-hover focus-visible:bg-v2-overlay-simple-overlay-hover focus-visible:outline-none"
const HOME_SEARCH_RESULT_TITLE =
  "min-w-0 overflow-hidden text-ellipsis whitespace-nowrap text-[13px] leading-4 tracking-[-0.04px] text-v2-text-text-base [font-weight:530]"
const HOME_SEARCH_RESULT_META =
  "min-w-0 flex-[1_1_auto] overflow-hidden text-ellipsis whitespace-nowrap text-[13px] leading-4 tracking-[-0.04px] text-v2-text-text-muted [font-weight:440]"

function buildHomeSessionRecords(input: {
  sync: ReturnType<typeof useServerSync>
  projectDirectories: () => string[]
  projects: () => LocalProject[]
  projectByID: () => Map<string, LocalProject>
}) {
  return [
    ...new Map(
      input
        .projectDirectories()
        .flatMap((directory) => sortedRootSessions(input.sync.child(directory, { bootstrap: false })[0], Date.now()))
        .map((session) => [`${pathKey(session.directory)}:${session.id}`, session] as const),
    ).values(),
  ]
    .sort((a, b) => (b.time.updated ?? b.time.created) - (a.time.updated ?? a.time.created))
    .flatMap((session) => {
      const project = projectForSession(session, input.projects(), input.projectByID())
      if (!project) return []
      return {
        session,
        project,
        projectName: displayName(project),
      }
    })
}

function matchesHomeSessionSearch(record: HomeSessionRecord, query: string) {
  return `${record.session.title} ${record.projectName}`.toLowerCase().includes(query)
}

function homeSessionSearchKey(record: HomeSessionRecord) {
  return `${pathKey(record.session.directory)}:${record.session.id}`
}

export default function Home() {
  const settings = useSettings()
  return (
    <Show when={settings.general.newLayoutDesigns()} fallback={<LegacyHome />}>
      <HomeDesign />
    </Show>
  )
}

function HomeDesign() {
  const sync = useServerSync()
  const layout = useLayout()
  const platform = usePlatform()
  const dialog = useDialog()
  const navigate = useNavigate()
  const server = useServer()
  const language = useLanguage()
  const command = useCommand()
  const notification = useNotification()
  let focusSessionSearch: (() => void) | undefined
  const [state, setState] = createStore({
    search: "",
    project: undefined as string | undefined,
    searchFocused: false,
  })

  const projects = createMemo(() => layout.projects.list())
  const selectedProject = createMemo(() => projects().find((project) => project.worktree === state.project))
  const directories = (project: LocalProject) => [project.worktree, ...(project.sandboxes ?? [])]
  const projectDirectories = createMemo(() => {
    const project = selectedProject()
    if (!project) return projects().flatMap(directories)
    return directories(project)
  })
  const search = createMemo(() => state.search.trim())
  const sessionLoad = useQuery(() => ({
    queryKey: ["home", "sessions", ...projectDirectories()] as const,
    queryFn: async () => {
      await Promise.all(projectDirectories().map((directory) => sync.project.loadSessions(directory)))
      return null
    },
  }))

  const projectByID = createMemo(
    () => new Map(projects().flatMap((project) => (project.id ? [[project.id, project] as const] : []))),
  )
  const allRecords = createMemo(() =>
    buildHomeSessionRecords({
      sync,
      projectDirectories,
      projects,
      projectByID,
    }),
  )
  const records = createMemo(() => allRecords().slice(0, HOME_SESSION_LIMIT))
  const searchResults = createMemo(() => {
    const query = search().toLowerCase()
    if (!query) return []
    return allRecords().filter((record) => matchesHomeSessionSearch(record, query))
  })
  const searchOpen = createMemo(() => state.searchFocused && search().length > 0)
  const groups = createMemo(() => groupSessions(records(), language))

  function closeSearch() {
    setState("search", "")
    setState("searchFocused", false)
  }

  function selectSearchSession(session: Session) {
    openSession(session)
    closeSearch()
  }

  command.register("home", () => [
    {
      id: "home.sessions.search.focus",
      title: language.t("home.sessions.search.placeholder"),
      keybind: "mod+f",
      hidden: true,
      onSelect: () => focusSessionSearch?.(),
    },
  ])

  function selectProject(directory: string) {
    if (!projects().some((project) => project.worktree === directory)) return
    setState("project", state.project === directory ? undefined : directory)
  }

  function addProject(directory: string) {
    layout.projects.open(directory)
    server.projects.touch(directory)
    setState("project", directory)
  }

  function openNewSession() {
    const project = selectedProject()
    if (!project) {
      void chooseProject()
      return
    }
    layout.projects.open(project.worktree)
    server.projects.touch(project.worktree)
    navigate(`/${base64Encode(project.worktree)}/session`)
  }

  function openProjectNewSession(directory: string) {
    layout.projects.open(directory)
    server.projects.touch(directory)
    navigate(`/${base64Encode(directory)}/session`)
  }

  function editProject(project: LocalProject) {
    void import("@/components/dialog-edit-project").then((x) => {
      dialog.show(() => <x.DialogEditProject project={project} />)
    })
  }

  function unseenCount(project: LocalProject) {
    return directories(project).reduce((total, directory) => total + notification.project.unseenCount(directory), 0)
  }

  function clearNotifications(project: LocalProject) {
    directories(project)
      .filter((directory) => notification.project.unseenCount(directory) > 0)
      .forEach((directory) => notification.project.markViewed(directory))
  }

  function openSession(session: Session) {
    const project = projectForSession(session, projects(), projectByID())
    layout.projects.open(project?.worktree ?? session.directory)
    server.projects.touch(project?.worktree ?? session.directory)
    navigate(`/${base64Encode(session.directory)}/session/${session.id}`)
  }

  async function chooseProject() {
    function resolve(result: string | string[] | null) {
      if (Array.isArray(result)) {
        result.forEach(addProject)
        if (result[0]) setState("project", result[0])
        return
      }
      if (result) addProject(result)
    }

    if (platform.openDirectoryPickerDialog && server.isLocal()) {
      const result = await platform.openDirectoryPickerDialog?.({
        title: language.t("command.project.open"),
        multiple: true,
      })
      resolve(result)
      return
    }

    dialog.show(
      () => <DialogSelectDirectory multiple={true} onSelect={resolve} />,
      () => resolve(null),
    )
  }

  function openSettings() {
    void import("@/components/settings-v2").then((x) => {
      dialog.show(() => <x.DialogSettings />)
    })
  }

  return (
    <div class="mx-auto grid w-full h-full max-w-[1080px] gap-8 px-6 pb-16 lg:grid-cols-[280px_minmax(0,720px)]">
      <HomeProjectColumn
        projects={projects()}
        selected={selectedProject()?.worktree}
        selectProject={selectProject}
        openNewSession={openProjectNewSession}
        chooseProject={() => void chooseProject()}
        editProject={editProject}
        closeProject={(directory) => {
          layout.projects.close(directory)
          if (state.project === directory) setState("project", undefined)
        }}
        clearNotifications={clearNotifications}
        unseenCount={unseenCount}
        openSettings={openSettings}
        openHelp={() => platform.openLink("https://opencode.ai/desktop-feedback")}
        language={language}
      />

      <section class="min-w-0 flex-1 flex flex-col pt-12" aria-label={language.t("sidebar.project.recentSessions")}>
        <HomeSessionSearch
          value={state.search}
          placeholder={language.t("home.sessions.search.placeholder")}
          open={searchOpen()}
          loading={sessionLoad.isLoading}
          results={searchResults()}
          noResultsLabel={language.t("home.sessions.search.noResults", { query: search() })}
          bindFocus={(focus) => {
            focusSessionSearch = focus
          }}
          onInput={(value) => setState("search", value)}
          onFocus={() => setState("searchFocused", true)}
          onClose={closeSearch}
          onSelect={selectSearchSession}
        />
        <div class="mt-3 min-h-0 flex-1 overflow-y-auto">
          <div class="pt-3 flex flex-col gap-6">
            <Show when={!sessionLoad.isLoading} fallback={<HomeSessionSkeleton label={language.t("common.loading")} />}>
              <Show
                when={groups().length > 0}
                fallback={
                  <div class="flex min-w-0 flex-col gap-4">
                    <HomeSessionGroupHeader title={language.t("home.sessions.empty")} onNewSession={openNewSession} />
                  </div>
                }
              >
                <For each={groups()}>
                  {(group, index) => (
                    <div class="flex min-w-0 flex-col gap-4">
                      <HomeSessionGroupHeader
                        title={group.title}
                        onNewSession={index() === 0 ? openNewSession : undefined}
                      />
                      <div class="flex min-w-0 flex-col gap-px">
                        <For each={group.sessions}>
                          {(record) => <HomeSessionRow record={record} openSession={openSession} />}
                        </For>
                      </div>
                    </div>
                  )}
                </For>
              </Show>
            </Show>
          </div>
        </div>
      </section>
    </div>
  )
}

function HomeProjectColumn(props: {
  projects: LocalProject[]
  selected?: string
  selectProject: (directory: string) => void
  openNewSession: (directory: string) => void
  chooseProject: () => void
  editProject: (project: LocalProject) => void
  closeProject: (directory: string) => void
  clearNotifications: (project: LocalProject) => void
  unseenCount: (project: LocalProject) => number
  openSettings: () => void
  openHelp: () => void
  language: ReturnType<typeof useLanguage>
}) {
  const servers = useServers()
  return (
    <aside class="flex min-w-0 flex-col lg:pt-[52px] mt-14 gap-4" aria-label={props.language.t("home.projects")}>
      <div class="flex h-7 min-w-0 items-center justify-between pl-1.5">
        <div class={HOME_SECTION_LABEL}>{props.language.t("home.projects")}</div>
        <IconButtonV2
          data-action="home-add-project"
          variant="ghost-muted"
          size="large"
          class="titlebar-icon [&_[data-slot=icon-svg]]:text-v2-icon-icon-muted"
          icon={<IconV2 name="folder-add-left" />}
          onClick={props.chooseProject}
          aria-label={props.language.t("home.project.add")}
        />
      </div>
      <Show when={servers.list().length > 1} fallback={<HomeProjectList {...props} />}>
        <For each={servers.list()}>
          {(item) => {
            const key = ServerConnection.key(item)
            const healthy = () => !!servers.health[key]?.healthy
            const [state, setState] = createStore({ open: true })
            return (
              <div class="flex max-h-[min(572px,calc(100vh_-_300px))] min-w-0 flex-col gap-1 overflow-y-auto [scrollbar-width:none] [&::-webkit-scrollbar]:hidden">
                <button
                  type="button"
                  class={`${HOME_PROJECT_NAV_ROW} disabled:opacity-60`}
                  disabled={!healthy()}
                  onClick={() => setState("open", !state.open)}
                >
                  <div class="flex size-4 shrink-0 items-center justify-center">
                    <ServerHealthIndicator health={servers.health[key]} />
                  </div>
                  <span class={HOME_PROJECT_NAV_LABEL}>{item.displayName ?? new URL(item.http.url).host}</span>
                  <Show when={healthy()}>
                    <IconV2
                      name="outline-chevron-down"
                      class="shrink-0 text-v2-icon-icon-muted data-[open=false]:-rotate-90"
                      data-open={state.open}
                    />
                  </Show>
                </button>
                <Show when={healthy() && state.open}>
                  <div class="mx-3 h-px bg-v2-border-border-base" />
                  <HomeProjectList {...props} />
                </Show>
              </div>
            )
          }}
        </For>
      </Show>
      <div class="flex min-w-0 flex-col gap-1">
        <button
          type="button"
          class={`${HOME_PROJECT_NAV_ROW} text-v2-text-text-faint [&>[data-slot=icon-svg]]:text-v2-icon-icon-muted`}
          onClick={props.openSettings}
        >
          <IconV2 name="settings-gear" size="small" />
          <span class={HOME_PROJECT_NAV_LABEL}>{props.language.t("sidebar.settings")}</span>
        </button>
        <button
          type="button"
          class={`${HOME_PROJECT_NAV_ROW} text-v2-text-text-faint [&>[data-slot=icon-svg]]:text-v2-icon-icon-muted`}
          onClick={props.openHelp}
        >
          <IconV2 name="help" size="small" />
          <span class={HOME_PROJECT_NAV_LABEL}>{props.language.t("sidebar.help")}</span>
        </button>
      </div>
    </aside>
  )
}

function HomeProjectList(props: {
  projects: LocalProject[]
  selected?: string
  selectProject: (directory: string) => void
  openNewSession: (directory: string) => void
  chooseProject: () => void
  editProject: (project: LocalProject) => void
  closeProject: (directory: string) => void
  clearNotifications: (project: LocalProject) => void
  unseenCount: (project: LocalProject) => number
  language: ReturnType<typeof useLanguage>
}) {
  return (
    <Show
      when={props.projects.length > 0}
      fallback={
        <button
          type="button"
          class={`${HOME_PROJECT_NAV_ROW} text-v2-text-text-faint [&>[data-slot=icon-svg]]:text-v2-icon-icon-muted`}
          onClick={props.chooseProject}
        >
          <IconV2 name="folder-add-left" size="small" />
          <span>{props.language.t("home.project.add")}</span>
        </button>
      }
    >
      <For each={props.projects}>
        {(project) => (
          <HomeProjectRow
            project={project}
            selected={props.selected === project.worktree}
            unseenCount={props.unseenCount(project)}
            selectProject={props.selectProject}
            openNewSession={props.openNewSession}
            editProject={props.editProject}
            closeProject={props.closeProject}
            clearNotifications={props.clearNotifications}
            language={props.language}
          />
        )}
      </For>
    </Show>
  )
}

function HomeProjectRow(props: {
  project: LocalProject
  selected: boolean
  unseenCount: number
  selectProject: (directory: string) => void
  openNewSession: (directory: string) => void
  editProject: (project: LocalProject) => void
  closeProject: (directory: string) => void
  clearNotifications: (project: LocalProject) => void
  language: ReturnType<typeof useLanguage>
}) {
  const [state, setState] = createStore({ menuOpen: false })
  return (
    <div class="group/project relative flex h-7 min-w-0 items-center rounded-[6px]">
      <button
        type="button"
        data-component="home-project-row"
        class={`${HOME_PROJECT_NAV_ROW} pr-16`}
        data-selected={props.selected ? "" : undefined}
        aria-current={props.selected ? "page" : undefined}
        onClick={() => props.selectProject(props.project.worktree)}
      >
        <HomeProjectAvatar project={props.project} />
        <span class={HOME_PROJECT_NAV_LABEL}>{displayName(props.project)}</span>
      </button>
      <div
        class="absolute right-1 top-1/2 flex -translate-y-1/2 items-center gap-0.5 opacity-0 transition-opacity group-hover/project:opacity-100 focus-within:opacity-100 data-[menu=true]:opacity-100"
        data-menu={state.menuOpen}
      >
        <MenuV2
          gutter={4}
          modal={false}
          placement="bottom-end"
          open={state.menuOpen}
          onOpenChange={(open) => setState("menuOpen", open)}
        >
          <MenuV2.Trigger
            as={IconButtonV2}
            data-action="home-project-menu"
            variant="ghost-muted"
            size="small"
            icon={<IconV2 name="outline-dots" />}
            aria-label={props.language.t("common.moreOptions")}
          />
          <MenuV2.Portal>
            <MenuV2.Content>
              <MenuV2.Item onSelect={() => props.openNewSession(props.project.worktree)}>
                {props.language.t("command.session.new")}
              </MenuV2.Item>
              <MenuV2.Item onSelect={() => props.editProject(props.project)}>
                {props.language.t("common.edit")}
              </MenuV2.Item>
              <MenuV2.Item disabled={props.unseenCount === 0} onSelect={() => props.clearNotifications(props.project)}>
                {props.language.t("sidebar.project.clearNotifications")}
              </MenuV2.Item>
              <MenuV2.Separator />
              <MenuV2.Item onSelect={() => props.closeProject(props.project.worktree)}>
                {props.language.t("common.close")}
              </MenuV2.Item>
            </MenuV2.Content>
          </MenuV2.Portal>
        </MenuV2>
        <IconButtonV2
          data-action="home-project-new-session"
          variant="ghost-muted"
          size="small"
          icon={<IconV2 name="edit" />}
          aria-label={props.language.t("command.session.new")}
          onClick={() => props.openNewSession(props.project.worktree)}
        />
      </div>
    </div>
  )
}

function HomeProjectAvatar(props: { project: LocalProject }) {
  const name = createMemo(() => displayName(props.project))
  return (
    <ProjectAvatar
      fallback={name()}
      src={getProjectAvatarSource(props.project.id, props.project.icon)}
      variant={getProjectAvatarVariant(props.project.icon?.color)}
    />
  )
}

function HomeSessionSearch(props: {
  value: string
  placeholder: string
  open: boolean
  loading: boolean
  results: HomeSessionRecord[]
  noResultsLabel: string
  bindFocus: (focus: () => void) => void
  onInput: (value: string) => void
  onFocus: () => void
  onClose: () => void
  onSelect: (session: Session) => void
}) {
  const language = useLanguage()
  const [store, setStore] = createStore({ active: "" })
  let root: HTMLDivElement | undefined
  let input: HTMLInputElement | undefined
  let listRef: HTMLDivElement | undefined

  const focusInput = () => {
    input?.focus()
    props.onFocus()
  }

  onMount(() => {
    props.bindFocus(focusInput)
  })

  const syncActive = (results: HomeSessionRecord[]) => {
    if (results.length === 0) {
      setStore("active", "")
      return
    }
    if (!results.some((record) => homeSessionSearchKey(record) === store.active)) {
      setStore("active", homeSessionSearchKey(results[0]))
    }
  }

  createEffect(() => syncActive(props.results))

  createEffect(
    on(
      () => props.value,
      () => syncActive(props.results),
    ),
  )

  const scrollActiveIntoView = () => {
    const key = store.active
    if (!key || !listRef) return
    const element = listRef.querySelector<HTMLElement>(`[data-key="${key}"]`)
    element?.scrollIntoView({ block: "nearest" })
  }

  const moveActive = (delta: number) => {
    const results = props.results
    if (results.length === 0) return
    const index = results.findIndex((record) => homeSessionSearchKey(record) === store.active)
    const start = index === -1 ? 0 : index
    const next = (start + delta + results.length) % results.length
    setStore("active", homeSessionSearchKey(results[next]))
    scrollActiveIntoView()
  }

  const selectActive = () => {
    const record = props.results.find((item) => homeSessionSearchKey(item) === store.active)
    if (!record) return
    props.onSelect(record.session)
  }

  onCleanup(
    makeEventListener(document, "pointerdown", (event) => {
      if (!props.open) return
      const target = event.target
      if (!(target instanceof Node)) return
      if (root?.contains(target)) return
      props.onClose()
    }),
  )

  return (
    <div class="ml-4 mr-2 w-[calc(100%_-_24px)]">
      <div ref={root} data-component="home-session-search" class="relative z-10 w-full">
        <Show when={props.open}>
          <div
            data-component="home-session-search-panel"
            class="absolute flex flex-col rounded-[12px] bg-v2-background-bg-base shadow-[var(--v2-elevation-floating)]"
            style={{
              top: "-6px",
              left: "-6px",
              width: "calc(100% + 14px)",
            }}
          >
            <div class="flex flex-col pt-9">
              <div id={HOME_SESSION_SEARCH_RESULTS_ID} role="listbox" class="flex flex-col gap-4 pt-4 pb-2">
                <Show
                  when={!props.loading}
                  fallback={
                    <div class="flex items-center justify-center px-4 py-3 text-v2-text-text-muted [font-weight:440]">
                      <Spinner class="size-4" />
                    </div>
                  }
                >
                  <Show
                    when={props.results.length > 0}
                    fallback={
                      <p class="my-1.5 px-4 text-[13px] leading-4 tracking-[-0.04px] text-v2-text-text-muted [font-weight:440]">
                        {props.noResultsLabel}
                      </p>
                    }
                  >
                    <div class="flex flex-col">
                      <p class="my-1.5 px-4 text-[13px] leading-4 tracking-[-0.04px] text-v2-text-text-muted [font-weight:440]">
                        {language.t("home.sessions.search.sessions")}
                      </p>
                      <div ref={listRef} class="flex max-h-80 flex-col gap-px overflow-y-auto">
                        <For each={props.results}>
                          {(record) => (
                            <HomeSessionSearchResultRow
                              record={record}
                              selected={store.active === homeSessionSearchKey(record)}
                              onHighlight={() => setStore("active", homeSessionSearchKey(record))}
                              onSelect={(session) => props.onSelect(session)}
                            />
                          )}
                        </For>
                      </div>
                    </div>
                  </Show>
                </Show>
              </div>
            </div>
          </div>
        </Show>
        <label
          class="relative z-20 flex h-9 w-full items-center gap-2 rounded-[6px] py-1 pl-3 pr-2 text-v2-icon-icon-muted transition-[background-color,box-shadow] duration-[120ms] ease-in-out"
          classList={{
            "bg-v2-background-bg-deep focus-within:bg-v2-background-bg-base focus-within:shadow-[0_0_0_0.5px_var(--v2-border-border-focus),var(--v2-elevation-raised)]":
              !props.open,
            "bg-transparent shadow-[0_0_0_0.5px_var(--v2-border-border-focus)]": props.open,
          }}
        >
          <IconV2 name="magnifying-glass" />
          <input
            ref={input}
            class="relative z-20 min-w-0 flex-1 border-0 bg-transparent text-v2-text-text-base outline-0 [font-weight:440] placeholder:text-v2-text-text-faint"
            value={props.value}
            placeholder={props.placeholder}
            aria-label={props.placeholder}
            aria-expanded={props.open}
            aria-controls={HOME_SESSION_SEARCH_RESULTS_ID}
            aria-autocomplete="list"
            aria-activedescendant={
              store.active && props.open ? `home-session-search-option-${store.active}` : undefined
            }
            onFocus={() => props.onFocus()}
            onInput={(event) => props.onInput(event.currentTarget.value)}
            onKeyDown={(event) => {
              if (event.key === "Escape") {
                event.preventDefault()
                props.onClose()
                input?.blur()
                return
              }
              if (!props.open || props.results.length === 0) return
              if (event.altKey || event.metaKey) return
              if (event.key === "ArrowDown") {
                event.preventDefault()
                moveActive(1)
                return
              }
              if (event.key === "ArrowUp") {
                event.preventDefault()
                moveActive(-1)
                return
              }
              if (event.key === "Enter" && !event.isComposing) {
                event.preventDefault()
                selectActive()
              }
            }}
          />
          <Show when={props.value}>
            <IconButtonV2
              type="button"
              variant="ghost-muted"
              size="small"
              class="relative z-20 shrink-0"
              icon={<IconV2 name="close" size="large" class="text-v2-icon-icon-muted" />}
              aria-label={props.placeholder}
              onClick={() => {
                props.onClose()
                input?.focus()
              }}
            />
          </Show>
        </label>
      </div>
    </div>
  )
}

function HomeSessionSearchResultRow(props: {
  record: HomeSessionRecord
  selected: boolean
  onHighlight: () => void
  onSelect: (session: Session) => void
}) {
  const globalSync = useServerSync()
  const notification = useNotification()
  const permission = usePermission()
  const [sessionStore] = globalSync.child(props.record.session.directory, { bootstrap: false })
  const title = createMemo(() => sessionTitle(props.record.session.title) || props.record.session.id)
  const unseenCount = createMemo(() => notification.session.unseenCount(props.record.session.id))
  const hasError = createMemo(() => notification.session.unseenHasError(props.record.session.id))
  const hasPermissions = createMemo(
    () =>
      !!sessionPermissionRequest(sessionStore.session, sessionStore.permission, props.record.session.id, (item) => {
        return !permission.autoResponds(item, props.record.session.directory)
      }),
  )
  const isWorking = createMemo(() => {
    if (hasPermissions()) return false
    return sessionStore.session_working(props.record.session.id)
  })
  const tint = createMemo(() => messageAgentColor(sessionStore.message[props.record.session.id], sessionStore.agent))
  const showStatus = createMemo(() => isWorking() || hasPermissions() || hasError() || unseenCount() > 0)

  const key = () => homeSessionSearchKey(props.record)

  return (
    <button
      type="button"
      id={`home-session-search-option-${key()}`}
      data-key={key()}
      data-component="home-session-search-row"
      role="option"
      aria-selected={props.selected}
      classList={{
        [HOME_SEARCH_RESULT_ROW]: true,
        "bg-v2-overlay-simple-overlay-hover": props.selected,
      }}
      onMouseEnter={() => props.onHighlight()}
      onClick={() => props.onSelect(props.record.session)}
    >
      <Show
        when={showStatus()}
        fallback={
          <div class="flex size-4 shrink-0 items-center justify-center">
            <TabStateIndicator />
          </div>
        }
      >
        <div
          class="flex size-4 shrink-0 items-center justify-center"
          style={{ color: tint() ?? "var(--icon-interactive-base)" }}
        >
          <Switch>
            <Match when={isWorking()}>
              <Spinner class="size-[15px]" />
            </Match>
            <Match when={hasPermissions()}>
              <div class="size-1.5 rounded-full bg-surface-warning-strong" />
            </Match>
            <Match when={hasError()}>
              <div class="size-1.5 rounded-full bg-text-diff-delete-base" />
            </Match>
            <Match when={unseenCount() > 0}>
              <div class="size-1.5 rounded-full bg-text-interactive-base" />
            </Match>
          </Switch>
        </div>
      </Show>
      <div class="flex min-w-0 flex-1 items-center gap-1.5">
        <span
          class={`${HOME_SEARCH_RESULT_TITLE} ${props.record.projectName ? "max-w-[min(70%,480px)] flex-[0_1_auto]" : "flex-[1_1_auto]"}`}
        >
          {title()}
        </span>
        <Show when={props.record.projectName}>
          <span class={HOME_SEARCH_RESULT_META}>{props.record.projectName}</span>
        </Show>
      </div>
    </button>
  )
}

function HomeSessionGroupHeader(props: { title: string; onNewSession?: () => void }) {
  const language = useLanguage()
  return (
    <div class="flex h-7 min-w-0 items-center justify-between pl-4 pr-2">
      <div class={HOME_SECTION_LABEL}>{props.title}</div>
      <Show when={props.onNewSession}>
        {(onNewSession) => (
          <ButtonV2
            data-action="home-new-session"
            variant="ghost-muted"
            size="normal"
            icon="edit"
            class="h-7 px-2 [font-weight:530]"
            onClick={onNewSession()}
          >
            {language.t("command.session.new")}
          </ButtonV2>
        )}
      </Show>
    </div>
  )
}

function HomeSessionRow(props: { record: HomeSessionRecord; openSession: (session: Session) => void }) {
  const globalSync = useServerSync()
  const notification = useNotification()
  const permission = usePermission()
  const [sessionStore] = globalSync.child(props.record.session.directory, { bootstrap: false })
  const title = createMemo(() => sessionTitle(props.record.session.title) || props.record.session.id)
  const unseenCount = createMemo(() => notification.session.unseenCount(props.record.session.id))
  const hasError = createMemo(() => notification.session.unseenHasError(props.record.session.id))
  const hasPermissions = createMemo(
    () =>
      !!sessionPermissionRequest(sessionStore.session, sessionStore.permission, props.record.session.id, (item) => {
        return !permission.autoResponds(item, props.record.session.directory)
      }),
  )
  const isWorking = createMemo(() => {
    if (hasPermissions()) return false
    return sessionStore.session_working(props.record.session.id)
  })
  const tint = createMemo(() => messageAgentColor(sessionStore.message[props.record.session.id], sessionStore.agent))
  const showStatus = createMemo(() => isWorking() || hasPermissions() || hasError() || unseenCount() > 0)

  return (
    <button
      type="button"
      data-component="home-session-row"
      class={`${HOME_ROW} h-10 gap-2 px-6 py-3 pl-4`}
      onClick={() => props.openSession(props.record.session)}
    >
      <Show
        when={showStatus()}
        fallback={
          <div class="flex size-4 shrink-0 items-center justify-center">
            <TabStateIndicator />
          </div>
        }
      >
        <div
          class="flex size-4 shrink-0 items-center justify-center"
          style={{ color: tint() ?? "var(--icon-interactive-base)" }}
        >
          <Switch>
            <Match when={isWorking()}>
              <Spinner class="size-[15px]" />
            </Match>
            <Match when={hasPermissions()}>
              <div class="size-1.5 rounded-full bg-surface-warning-strong" />
            </Match>
            <Match when={hasError()}>
              <div class="size-1.5 rounded-full bg-text-diff-delete-base" />
            </Match>
            <Match when={unseenCount() > 0}>
              <div class="size-1.5 rounded-full bg-text-interactive-base" />
            </Match>
          </Switch>
        </div>
      </Show>
      <span
        class={`min-w-0 overflow-hidden text-ellipsis whitespace-nowrap text-v2-text-text-base [font-weight:530] ${props.record.projectName ? "max-w-[min(70%,480px)] flex-[0_1_auto]" : "flex-[1_1_auto]"}`}
      >
        {title()}
      </span>
      <Show when={props.record.projectName}>
        <span class="min-w-0 flex-[1_1_auto] overflow-hidden text-ellipsis whitespace-nowrap text-v2-text-text-muted [font-weight:440]">
          {props.record.projectName}
        </span>
      </Show>
    </button>
  )
}

function HomeSessionSkeleton(props: { label: string }) {
  return (
    <div class="flex min-w-0 flex-col gap-4">
      <div class="flex h-7 min-w-0 items-center justify-between px-4">
        <div class={HOME_SECTION_LABEL}>{props.label}</div>
      </div>
      <div class="flex min-w-0 flex-col gap-px" aria-hidden="true">
        <For each={[0, 1, 2, 3]}>{() => <div class="h-10 rounded-[6px] bg-v2-background-bg-deep opacity-70" />}</For>
      </div>
    </div>
  )
}

function groupSessions(records: HomeSessionRecord[], language: ReturnType<typeof useLanguage>): HomeSessionGroup[] {
  const now = DateTime.local()
  const yesterday = now.minus({ days: 1 })
  const todaySessions = records.filter((record) =>
    DateTime.fromMillis(record.session.time.updated ?? record.session.time.created).hasSame(now, "day"),
  )
  const yesterdaySessions = records.filter((record) =>
    DateTime.fromMillis(record.session.time.updated ?? record.session.time.created).hasSame(yesterday, "day"),
  )
  const olderSessions = records.filter((record) => {
    const time = DateTime.fromMillis(record.session.time.updated ?? record.session.time.created)
    return !time.hasSame(now, "day") && !time.hasSame(yesterday, "day")
  })
  const olderTitle =
    todaySessions.length === 0 && yesterdaySessions.length === 0
      ? language.t("sidebar.project.recentSessions")
      : language.t("home.sessions.group.older")

  return [
    { id: "today" as const, title: language.t("home.sessions.group.today"), sessions: todaySessions },
    { id: "yesterday" as const, title: language.t("home.sessions.group.yesterday"), sessions: yesterdaySessions },
    { id: "older" as const, title: olderTitle, sessions: olderSessions },
  ].filter((group) => group.sessions.length > 0)
}

function LegacyHome() {
  const sync = useServerSync()
  const layout = useLayout()
  const platform = usePlatform()
  const dialog = useDialog()
  const navigate = useNavigate()
  const server = useServer()
  const servers = useServers()
  const language = useLanguage()
  const homedir = createMemo(() => sync.data.path.home)
  const recent = createMemo(() => {
    return sync.data.project
      .slice()
      .sort((a, b) => (b.time.updated ?? b.time.created) - (a.time.updated ?? a.time.created))
      .slice(0, 5)
  })

  const serverDotClass = createMemo(() => {
    const healthy = servers.health[server.key]?.healthy
    if (healthy === true) return "bg-icon-success-base"
    if (healthy === false) return "bg-icon-critical-base"
    return "bg-border-weak-base"
  })

  function openProject(directory: string) {
    layout.projects.open(directory)
    server.projects.touch(directory)
    navigate(`/${base64Encode(directory)}`)
  }

  async function chooseProject() {
    function resolve(result: string | string[] | null) {
      if (Array.isArray(result)) {
        for (const directory of result) {
          openProject(directory)
        }
      } else if (result) {
        openProject(result)
      }
    }

    if (platform.openDirectoryPickerDialog && server.isLocal()) {
      const result = await platform.openDirectoryPickerDialog?.({
        title: language.t("command.project.open"),
        multiple: true,
      })
      resolve(result)
    } else {
      dialog.show(
        () => <DialogSelectDirectory multiple={true} onSelect={resolve} />,
        () => resolve(null),
      )
    }
  }

  return (
    <div class="mx-auto mt-55 w-full md:w-auto px-4">
      <Logo class="md:w-xl opacity-12" />
      <Button
        size="large"
        variant="ghost"
        class="mt-4 mx-auto text-14-regular text-text-weak"
        onClick={() => dialog.show(() => <DialogSelectServer />)}
      >
        <div
          classList={{
            "size-2 rounded-full": true,
            [serverDotClass()]: true,
          }}
        />
        {server.name}
      </Button>
      <Switch>
        <Match when={sync.data.project.length > 0}>
          <div class="mt-20 w-full flex flex-col gap-4">
            <div class="flex gap-2 items-center justify-between pl-3">
              <div class="text-14-medium text-text-strong">{language.t("home.recentProjects")}</div>
              <Button icon="folder-add-left" size="normal" class="pl-2 pr-3" onClick={chooseProject}>
                {language.t("command.project.open")}
              </Button>
            </div>
            <ul class="flex flex-col gap-2">
              <For each={recent()}>
                {(project) => (
                  <Button
                    size="large"
                    variant="ghost"
                    class="text-14-mono text-left justify-between px-3"
                    onClick={() => openProject(project.worktree)}
                  >
                    {project.worktree.replace(homedir(), "~")}
                    <div class="text-14-regular text-text-weak">
                      {DateTime.fromMillis(project.time.updated ?? project.time.created).toRelative()}
                    </div>
                  </Button>
                )}
              </For>
            </ul>
          </div>
        </Match>
        <Match when={!sync.ready}>
          <div class="mt-30 mx-auto flex flex-col items-center gap-3">
            <div class="text-12-regular text-text-weak">{language.t("common.loading")}</div>
            <Button class="px-3" onClick={chooseProject}>
              {language.t("command.project.open")}
            </Button>
          </div>
        </Match>
        <Match when={true}>
          <div class="mt-30 mx-auto flex flex-col items-center gap-3">
            <Icon name="folder-add-left" size="large" />
            <div class="flex flex-col gap-1 items-center justify-center">
              <div class="text-14-medium text-text-strong">{language.t("home.empty.title")}</div>
              <div class="text-12-regular text-text-weak">{language.t("home.empty.description")}</div>
            </div>
            <Button class="px-3 mt-1" onClick={chooseProject}>
              {language.t("command.project.open")}
            </Button>
          </div>
        </Match>
      </Switch>
    </div>
  )
}