"use client"

import Link from "next/link"
import { ChevronDown, Settings2 } from "lucide-react"
import { useState } from "react"
import { AutomationTabMasonry } from "@/components/gmail/settings/automation/automation-tab-masonry"
import { OrgSettingsSection } from "@/components/admin/settings/org-settings-form"
import {
  SettingsCard,
  SettingsField,
  SettingsGrid,
  SettingsToggleRow,
} from "@/components/settings/settings-kit"
import { DeployLockedHint, useDeployFieldLocked } from "@/components/admin/settings/deploy-locked-hint"
import { useOrgSettingsStore } from "@/lib/admin-settings/org-settings-store"
import { isPluginDeployLocked } from "@/lib/admin/deploy-runtime"
import { Switch } from "@/components/ui/switch"
import { Badge } from "@/components/ui/badge"
import { TechBrandSelectLabel } from "@/components/admin/settings/tech-brand-select-label"
import { Input } from "@/components/ui/input"
import { Button } from "@/components/ui/button"
import {
  Collapsible,
  CollapsibleContent,
  CollapsibleTrigger,
} from "@/components/ui/collapsible"
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select"
import { cn } from "@/lib/utils"

const SIMPLE_PLUGIN_IDS = new Set(["mail-automation", "contact-discovery", "public-share"])
const CONFIG_PLUGIN_IDS = new Set(["office-editor", "richtext-editor", "ai-assistant"])

export function PluginsSection() {
  const plugins = useOrgSettingsStore((s) => s.plugins)
  const togglePlugin = useOrgSettingsStore((s) => s.togglePlugin)
  const deployLocked = useOrgSettingsStore((s) => s.meta?.deployLocked)

  const simplePlugins = plugins.filter((p) => SIMPLE_PLUGIN_IDS.has(p.id))
  const configPlugins = plugins.filter((p) => CONFIG_PLUGIN_IDS.has(p.id))

  return (
    <OrgSettingsSection
      title="Plugins"
      description="Modules fonctionnels et intégrations activables pour toute l'organisation."
      policySection={["plugins", "nextcloud", "onlyoffice", "richtext"]}
    >
      <AutomationTabMasonry columns={2}>
        <NextcloudPluginCard />

        {simplePlugins.map((plugin) => {
          const locked = isPluginDeployLocked(deployLocked, plugin.id)
          return (
            <PluginToggleCard
              key={plugin.id}
              name={plugin.name}
              description={plugin.description}
              version={plugin.version}
              enabled={plugin.enabled}
              locked={locked}
              lockSection="plugins"
              lockField={plugin.id}
              onToggle={(enabled) => togglePlugin(plugin.id, enabled)}
            />
          )
        })}

        {configPlugins.map((plugin) => {
          const locked = isPluginDeployLocked(deployLocked, plugin.id)
          if (plugin.id === "office-editor") {
            return (
              <OnlyOfficePluginCard
                key={plugin.id}
                plugin={plugin}
                locked={locked}
                onToggle={(enabled) => togglePlugin(plugin.id, enabled)}
              />
            )
          }
          if (plugin.id === "richtext-editor") {
            return (
              <RichtextPluginCard
                key={plugin.id}
                plugin={plugin}
                locked={locked}
                onToggle={(enabled) => togglePlugin(plugin.id, enabled)}
              />
            )
          }
          return (
            <AiAssistantPluginCard
              key={plugin.id}
              plugin={plugin}
              locked={locked}
              onToggle={(enabled) => togglePlugin(plugin.id, enabled)}
            />
          )
        })}
      </AutomationTabMasonry>
    </OrgSettingsSection>
  )
}

function PluginToggleCard({
  name,
  description,
  version,
  enabled,
  locked,
  lockSection,
  lockField,
  onToggle,
  hint,
  action,
  children,
  defaultOpen = false,
}: {
  name: string
  description: string
  version?: string
  enabled: boolean
  locked?: boolean
  lockSection?: string
  lockField?: string
  onToggle: (enabled: boolean) => void
  hint?: React.ReactNode
  action?: React.ReactNode
  children?: React.ReactNode
  defaultOpen?: boolean
}) {
  const [open, setOpen] = useState(defaultOpen)
  const hasConfig = Boolean(children)

  const body = action ? (
    action
  ) : hasConfig ? (
    <Collapsible open={open} onOpenChange={setOpen}>
      <CollapsibleTrigger asChild>
        <Button type="button" variant="ghost" size="sm" className="gap-1.5 px-2">
          <Settings2 className="size-3.5" aria-hidden />
          Configuration
          <ChevronDown
            className={cn("size-3.5 transition-transform", open && "rotate-180")}
            aria-hidden
          />
        </Button>
      </CollapsibleTrigger>
      <CollapsibleContent className="mt-3 space-y-4 border-t border-mail-border pt-4">
        {children}
      </CollapsibleContent>
    </Collapsible>
  ) : null

  return (
    <SettingsCard
      title={
        <span className="flex items-center gap-2">
          {name}
          {version ? <Badge variant="outline">v{version}</Badge> : null}
        </span>
      }
      description={description}
      action={<Switch checked={enabled} disabled={locked} onCheckedChange={onToggle} />}
      hint={
        hint || (locked && lockSection && lockField) ? (
          <>
            {hint}
            {locked && lockSection && lockField ? (
              <DeployLockedHint section={lockSection} field={lockField} />
            ) : null}
          </>
        ) : null
      }
      divider={false}
      contentClassName="space-y-0 !mt-3 !pt-0"
    >
      {body}
    </SettingsCard>
  )
}

function NextcloudPluginCard() {
  const nextcloud = useOrgSettingsStore((s) => s.nextcloud)
  const setNextcloud = useOrgSettingsStore((s) => s.setNextcloud)
  const effective = useOrgSettingsStore((s) => s.meta?.effective.nextcloud)

  const enabledLocked = useDeployFieldLocked("nextcloud", "enabled")
  const urlLocked = useDeployFieldLocked("nextcloud", "base_url")
  const userLocked = useDeployFieldLocked("nextcloud", "admin_user")
  const passLocked = useDeployFieldLocked("nextcloud", "admin_password")

  const enabled = enabledLocked ? (effective?.enabled ?? nextcloud.enabled) : nextcloud.enabled
  const baseURL = urlLocked ? (effective?.base_url ?? nextcloud.base_url) : nextcloud.base_url
  const adminUser = userLocked ? (effective?.admin_user ?? nextcloud.admin_user) : nextcloud.admin_user

  return (
    <PluginToggleCard
      name="Nextcloud Suite"
      description="Plateforme drive, agenda, contacts et Talk. Requis pour UltiDrive et les modules associés."
      enabled={enabled}
      locked={enabledLocked}
      lockSection="nextcloud"
      lockField="enabled"
      onToggle={(v) => setNextcloud({ enabled: v })}
      defaultOpen={enabled}
    >
      <SettingsGrid columns={2}>
        <SettingsField
          label="URL de base"
          className="sm:col-span-2"
          hint={urlLocked ? <DeployLockedHint section="nextcloud" field="base_url" /> : undefined}
        >
          <Input
            className="h-9"
            value={baseURL}
            disabled={urlLocked}
            onChange={(e) => setNextcloud({ base_url: e.target.value })}
            placeholder="https://cloud.example.com"
          />
        </SettingsField>
        <SettingsField
          label="Utilisateur admin"
          hint={userLocked ? <DeployLockedHint section="nextcloud" field="admin_user" /> : undefined}
        >
          <Input
            className="h-9"
            value={adminUser}
            disabled={userLocked}
            onChange={(e) => setNextcloud({ admin_user: e.target.value })}
          />
        </SettingsField>
        <SettingsField
          label="Mot de passe admin"
          hint={passLocked ? <DeployLockedHint section="nextcloud" field="admin_password" /> : undefined}
        >
          <Input
            className="h-9"
            type="password"
            value={nextcloud.admin_password}
            disabled={passLocked}
            onChange={(e) => setNextcloud({ admin_password: e.target.value })}
            placeholder={passLocked ? "Défini via NC_ADMIN_PASSWORD" : undefined}
          />
        </SettingsField>
      </SettingsGrid>

      <div className="space-y-2">
        <div>
          <p className="text-sm font-medium">Modules exposés</p>
          <p className="mt-0.5 text-xs text-muted-foreground">
            Active ou masque chaque application Nextcloud dans la suite.
          </p>
        </div>
        <ServiceToggle
          label="UltiDrive (fichiers)"
          checked={nextcloud.drive_enabled}
          onChange={(drive_enabled) => setNextcloud({ drive_enabled })}
        />
        <ServiceToggle
          label="Agenda"
          checked={nextcloud.calendar_enabled}
          onChange={(calendar_enabled) => setNextcloud({ calendar_enabled })}
        />
        <ServiceToggle
          label="Contacts"
          checked={nextcloud.contacts_enabled}
          onChange={(contacts_enabled) => setNextcloud({ contacts_enabled })}
        />
        <ServiceToggle
          label="Talk (visio)"
          checked={nextcloud.talk_enabled}
          onChange={(talk_enabled) => setNextcloud({ talk_enabled })}
        />
      </div>
    </PluginToggleCard>
  )
}

function OnlyOfficePluginCard({
  plugin,
  locked,
  onToggle,
}: {
  plugin: { name: string; description: string; version: string; enabled: boolean }
  locked: boolean
  onToggle: (enabled: boolean) => void
}) {
  const onlyoffice = useOrgSettingsStore((s) => s.onlyoffice)
  const setOnlyoffice = useOrgSettingsStore((s) => s.setOnlyoffice)
  const effective = useOrgSettingsStore((s) => s.meta?.effective.onlyoffice)

  const enabledLocked = useDeployFieldLocked("onlyoffice", "enabled")
  const urlLocked = useDeployFieldLocked("onlyoffice", "document_server_url")
  const jwtLocked = useDeployFieldLocked("onlyoffice", "jwt_secret")
  const headerLocked = useDeployFieldLocked("onlyoffice", "jwt_header")

  const enabled = enabledLocked
    ? (effective?.enabled ?? plugin.enabled)
    : plugin.enabled
  const docURL = urlLocked
    ? (effective?.document_server_url ?? onlyoffice.document_server_url)
    : onlyoffice.document_server_url

  return (
    <PluginToggleCard
      name={plugin.name}
      description={plugin.description}
      version={plugin.version}
      enabled={enabled}
      locked={locked || enabledLocked}
      lockSection="plugins"
      lockField="office-editor"
      onToggle={onToggle}
      defaultOpen={enabled}
    >
      <div className="space-y-4">
        {enabledLocked ? <DeployLockedHint section="onlyoffice" field="enabled" /> : null}
        <SettingsField
          label="URL du serveur de documents"
          hint={
            urlLocked ? <DeployLockedHint section="onlyoffice" field="document_server_url" /> : undefined
          }
        >
          <Input
            className="h-9"
            value={docURL}
            disabled={urlLocked}
            onChange={(e) => setOnlyoffice({ document_server_url: e.target.value })}
            placeholder="https://office.example.com"
          />
        </SettingsField>
        <SettingsField
          label="Secret JWT"
          hint={jwtLocked ? <DeployLockedHint section="onlyoffice" field="jwt_secret" /> : undefined}
        >
          <Input
            className="h-9"
            type="password"
            value={onlyoffice.jwt_secret}
            disabled={jwtLocked}
            onChange={(e) => setOnlyoffice({ jwt_secret: e.target.value })}
            placeholder={jwtLocked ? "Défini via ONLYOFFICE_JWT_SECRET" : undefined}
          />
        </SettingsField>
        <SettingsField
          label="En-tête JWT"
          hint={headerLocked ? <DeployLockedHint section="onlyoffice" field="jwt_header" /> : undefined}
        >
          <Input
            className="h-9"
            value={onlyoffice.jwt_header}
            disabled={headerLocked}
            onChange={(e) => setOnlyoffice({ jwt_header: e.target.value })}
          />
        </SettingsField>
      </div>
    </PluginToggleCard>
  )
}

function RichtextPluginCard({
  plugin,
  locked,
  onToggle,
}: {
  plugin: { name: string; description: string; version: string; enabled: boolean }
  locked: boolean
  onToggle: (enabled: boolean) => void
}) {
  const richtext = useOrgSettingsStore((s) => s.richtext)
  const setRichtext = useOrgSettingsStore((s) => s.setRichtext)

  return (
    <PluginToggleCard
      name={plugin.name}
      description={`${plugin.description} OnlyOffice reste actif pour tableurs et présentations.`}
      version={plugin.version}
      enabled={plugin.enabled}
      locked={locked}
      lockSection="plugins"
      lockField="richtext-editor"
      onToggle={onToggle}
      defaultOpen={plugin.enabled}
    >
      <SettingsGrid columns={1}>
        <SettingsField label="Mode de stockage">
          <Select
            value={richtext.storage_mode}
            onValueChange={(storage_mode: "sidecar" | "overwrite") =>
              setRichtext({ storage_mode })
            }
          >
            <SelectTrigger className="h-9 w-full min-w-0">
              <SelectValue />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value="sidecar">
                Sidecar (.ultidoc.json à côté de l&apos;original)
              </SelectItem>
              <SelectItem value="overwrite">Remplacer par .ultidoc.json</SelectItem>
            </SelectContent>
          </Select>
        </SettingsField>
        <SettingsField label="Export miroir (optionnel)">
          <Select
            value={richtext.export_mirror_format || "none"}
            onValueChange={(v) =>
              setRichtext({ export_mirror_format: v === "none" ? "" : "docx" })
            }
          >
            <SelectTrigger className="h-9 w-full min-w-0">
              <SelectValue />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value="none">Aucun</SelectItem>
              <SelectItem value="docx">
                <TechBrandSelectLabel brand="docx">DOCX (Microsoft Word)</TechBrandSelectLabel>
              </SelectItem>
            </SelectContent>
          </Select>
        </SettingsField>
        <SettingsField label="URL WebSocket Hocuspocus (public)">
          <Input
            className="h-9"
            value={richtext.hocuspocus_url}
            onChange={(e) => setRichtext({ hocuspocus_url: e.target.value })}
            placeholder="ws://localhost:1234"
          />
        </SettingsField>
      </SettingsGrid>
    </PluginToggleCard>
  )
}

function AiAssistantPluginCard({
  plugin,
  locked,
  onToggle,
}: {
  plugin: { name: string; description: string; version: string; enabled: boolean }
  locked: boolean
  onToggle: (enabled: boolean) => void
}) {
  return (
    <PluginToggleCard
      name={plugin.name}
      description={plugin.description}
      version={plugin.version}
      enabled={plugin.enabled}
      locked={locked}
      lockSection="plugins"
      lockField="ai-assistant"
      onToggle={onToggle}
      hint={
        !plugin.enabled ? (
          <p className="mt-1 text-xs text-muted-foreground">
            OpenWebUI doit être déployé (
            <code className="rounded bg-muted px-1">AI_ASSISTANT_ENABLED=true</code>
            ).
          </p>
        ) : null
      }
      action={
        <Button type="button" variant="outline" size="sm" asChild>
          <Link href="/admin/settings/ai-assistant">Configurer UltiAI →</Link>
        </Button>
      }
    />
  )
}

function ServiceToggle({
  label,
  checked,
  onChange,
}: {
  label: string
  checked: boolean
  onChange: (v: boolean) => void
}) {
  return <SettingsToggleRow title={label} checked={checked} onCheckedChange={onChange} />
}
