// 服务容器：组装数据库、各个 service 与引擎
import fs from 'node:fs'
import path from 'node:path'
import type { ProviderId } from '@agent-server/shared'
import { communitySkillsDir, config, customSkillsDir, dbPath, teamCasesDir } from './config'
import { createDb, migrateDb, type DB } from './db'
import { ClaudeProvider } from './providers/claude/adapter'
import { CodexProvider } from './providers/codex/adapter'
import type { AgentProvider } from './providers/types'
import { AdminAuthService } from './services/admin-auth'
import { ApiKeyService, AuditService, KnowledgeService, ProfileService } from './services/catalog'
import { EventStore } from './services/event-store'
import { FileService } from './services/files'
import { InteractionService } from './services/interactions'
import { PluginService } from './services/plugins'
import { ClaudeLoginManager } from './services/claude-login'
import { CodexSkillService } from './services/codex-skills'
import { CommunitySkillService } from './services/community-skills'
import { CodexPluginService } from './services/codex-plugins'
import { RunTokenRegistry } from './mcp-gateway/tokens'
import { RunManager } from './services/runs'
import { SessionService } from './services/sessions'
import { SettingsService } from './services/settings'
import { UsageService } from './services/usage'
import { PdfRenderer } from './api-reference/pdf'
import { McpUpstream } from './mcp-gateway/upstream'
import { McpServerService } from './services/mcp-servers'
import { CustomSkillService } from './custom-skills/service'
import { SkillSourceService } from './custom-skills/sources'
import { FileManagerService } from './services/file-manager'
import { BrowserTokenService } from './services/browser-tokens'
import { BotKeyService, BotService } from './teams/bots'
import { BackgroundCallService } from './mcp-gateway/background'
import { ScheduleService } from './schedules/service'
import { TeamCaseService } from './teams/cases'
import { ensureLeadProfiles } from './teams/lead-profile'
import { CardService } from './teams/cards'
import { TeamService } from './teams/service'
import { createSkillCatalog } from './services/skill-catalog'
import { forgetGatewaySession } from './mcp-gateway/server'

export interface AppLogger {
  info(o: object, m?: string): void
  warn(o: object, m?: string): void
  error(o: object, m?: string): void
  child(b: object): AppLogger
}

export function createApp(log: AppLogger, opts: { db?: DB; providers?: Partial<Record<ProviderId, AgentProvider>> } = {}) {
  const db = opts.db ?? createDb(dbPath())
  migrateDb(db)

  const settings = new SettingsService(db)
  const events = new EventStore(db)
  const files = new FileService(db)
  const profiles = new ProfileService(db, settings)
  const knowledge = new KnowledgeService(db, settings)
  const apiKeys = new ApiKeyService(db, profiles)
  const audit = new AuditService(db)
  const usage = new UsageService(db)
  const browserTokens = new BrowserTokenService(db)
  const apiPdf = new PdfRenderer()
  const mcpUpstream = new McpUpstream()
  const mcpServers = new McpServerService(db, mcpUpstream, () => settings.get(), summary => audit.log({ actor: 'admin', kind: 'admin', summary }))
  const adminAudit = (summary: string, detail?: unknown) => audit.log({ actor: 'admin', kind: 'admin', summary, detail })
  migrateManagedSkillDirs(log)
  const customSkills = new CustomSkillService(db, adminAudit)
  // 按数据库重建生效目录（缺失或被改动的技能目录重新发布）
  customSkills.reconcile(msg => log.warn({}, msg))
  const skillSources = new SkillSourceService(db, customSkills, () => settings.get(), adminAudit)
  const fileManager = new FileManagerService(db, () => settings.get(), () => knowledge.list(), files, adminAudit)
  const interactions = new InteractionService(db, events, settings)
  const sessions = new SessionService(db, settings, profiles, apiKeys, files, events)
  const adminAuth = new AdminAuthService(db, log, config.adminPassword)
  const plugins = new PluginService(settings, audit)
  const codexSkills = new CodexSkillService(summary => audit.log({ actor: 'admin', kind: 'admin', summary }))
  const communitySkills = new CommunitySkillService(summary => audit.log({ actor: 'admin', kind: 'admin', summary }))
  const gatewayTokens = new RunTokenRegistry()
  const claudeLogin = new ClaudeLoginManager(() => settings.get().providers.claude.cliPath, summary => audit.log({ actor: 'admin', kind: 'admin', summary }))
  const providers: Partial<Record<ProviderId, AgentProvider>> = opts.providers ?? { claude: new ClaudeProvider(), codex: new CodexProvider(log) }
  const codexPlugins = new CodexPluginService(
    () => (providers.codex instanceof CodexProvider ? providers.codex : null), () => settings.get(),
    summary => audit.log({ actor: 'admin', kind: 'admin', summary }),
  )
  sessions.extraModels = p => providers[p]?.knownModels?.() ?? []
  const runs = new RunManager({ db, log, settings, sessions, profiles, knowledge, files, events, interactions, audit, usage, plugins, communitySkills, mcpServers, customSkills, gatewayTokens, providers })
  const bots = new BotService(db, profiles)
  ensureLeadProfiles({ profiles, customSkills, bots, settings })
  const botKeys = new BotKeyService(db, bots)
  usage.extraSourceNames = () => botKeys.names()
  const skillCatalog = createSkillCatalog({ settings: () => settings.get(), plugins, communitySkills, customSkills, providers })
  const teamCards = new CardService({ bots, profiles, knowledge, mcpServers, skillCatalog })
  const teams = new TeamService({
    db, log, settings, profiles, sessions, runs, files, events, interactions, bots, botKeys, cards: teamCards,
    forgetSession: id => {
      gatewayTokens.forgetSession(id)
      forgetGatewaySession(id)
    },
  })
  const teamCases = new TeamCaseService({ db, teams, dir: teamCasesDir() })
  const backgroundCalls = new BackgroundCallService({ db, log, settings, runs, events, teams })
  const schedules = new ScheduleService({ db, log, settings, sessions, runs, events, teams, bots, profiles })

  return { db, log, settings, events, files, profiles, knowledge, apiKeys, audit, interactions, sessions, usage, browserTokens, apiPdf, mcpUpstream, mcpServers, customSkills, skillSources, fileManager, adminAuth, plugins, claudeLogin, codexSkills, communitySkills, codexPlugins, gatewayTokens, providers, runs, bots, botKeys, teams, teamCards, teamCases, schedules, backgroundCalls, skillCatalog }
}

export type App = ReturnType<typeof createApp>

/**
 * 技能生效目录从 data/ 下移到顶层 managed-skills/ 后，一次性搬走旧目录。
 * systemd 的 ReadWritePaths 把每个目录单独挂载，跨目录改名会报 EXDEV，此时改为复制后删除
 */
function migrateManagedSkillDirs(log: AppLogger) {
  const moves: [string, string][] = [
    [path.join(config.dataDir, 'data', 'community-skills'), communitySkillsDir()],
    [path.join(config.dataDir, 'data', 'custom-skills'), customSkillsDir()],
  ]
  for (const [from, to] of moves) {
    if (!fs.existsSync(from)) continue
    if (fs.existsSync(to)) {
      log.warn({ from, to }, '旧的技能目录仍然存在，新目录已有内容，保留旧目录不处理')
      continue
    }
    fs.mkdirSync(path.dirname(to), { recursive: true })
    try {
      fs.renameSync(from, to)
    } catch (e) {
      if ((e as NodeJS.ErrnoException).code !== 'EXDEV') throw e
      fs.cpSync(from, to, { recursive: true, verbatimSymlinks: true, preserveTimestamps: true })
      fs.rmSync(from, { recursive: true, force: true })
    }
    log.info({ from, to }, '技能目录已迁移')
  }
}