import { projectApi } from '@/api'
import type { ImportProjectInput, ProjectQuery } from '@/api/project'
import { t } from '@/i18n/i18n-helpers'
import { runWithCatch } from '@/composables/useStoreAction'
import { state, clearError } from './state'

/** 项目 CRUD 子 store(共享全局 state) */
export function createProjectsStore() {
  /**
   * 加载未删除项目。
   * 可选 query 透传(关键词/排序/分页)。不传 = 当前全量行为(向后兼容)。
   */
  async function loadProjects(query?: ProjectQuery) {
    state.loading = true
    state.error = null
    await runWithCatch(state, t('projects.err.loadFailed'), async () => {
      state.projects = await projectApi.list(query)
    })
    state.loading = false
  }

  async function createProject(name: string, description = '', ideaId?: string, path?: string, stack?: string) {
    const record = await runWithCatch(state, t('projects.err.createFailed'), async () => {
      const r = await projectApi.create({ name, description, idea_id: ideaId, path, stack })
      state.projects.push(r)
      return r
    })
    return record ?? null
  }

  /** 导入历史项目(选已存在目录,后端创建+绑定+探测栈+读 README 首段一步完成) */
  async function importProject(input: ImportProjectInput) {
    const record = await runWithCatch(state, t('projects.err.importFailed'), async () => {
      const r = await projectApi.importProject(input)
      await loadProjects() // 刷新列表(后端已 insert,统一走 load 避免本地数组与后端不一致)
      return r
    })
    return record ?? null
  }

  async function updateProject(id: string, field: string, value: string) {
    await projectApi.update(id, field, value)
    const idx = state.projects.findIndex(p => p.id === id)
    if (idx >= 0) {
      (state.projects[idx] as any)[field] = value
    }
  }

  /** 重定位项目目录(后端重探测 stack,返回最新记录并更新本地状态) */
  async function relocateProjectPath(id: string, newPath: string) {
    const record = await projectApi.relocatePath(id, newPath)
    const idx = state.projects.findIndex(p => p.id === id)
    if (idx >= 0) state.projects[idx] = record
    return record
  }

  async function deleteProject(id: string): Promise<boolean> {
    // 返成功布尔(失败时 runWithCatch 已置 state.error),详情页删除据此阻断失败后的误跳转
    const ok = await runWithCatch(state, t('projects.err.deleteFailed'), async () => {
      await projectApi.delete(id) // 软删 → 回收站(可恢复)
      state.projects = state.projects.filter(p => p.id !== id)
      return true
    })
    return ok === true
  }

  async function loadDeletedProjects() {
    await runWithCatch(state, t('projects.err.loadTrashFailed'), async () => {
      state.deletedProjects = await projectApi.listDeleted()
    })
  }

  async function restoreProject(id: string) {
    try {
      await projectApi.restore(id)
      state.deletedProjects = state.deletedProjects.filter(p => p.id !== id)
      await loadProjects() // 恢复后刷新活跃列表
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.restoreFailed')
    }
  }

  // ── 归档功能 P2(V48):归档箱三动作,对标 tasks/ideas 子 store 同款 ──

  /** 归档/取消归档。归档=退出主列表;取消归档=从归档箱移回主列表(两端各刷一份) */
  async function archiveProject(id: string, archived: boolean) {
    await runWithCatch(state, t('projects.err.archiveFailed'), async () => {
      await projectApi.archive(id, archived)
      if (archived) {
        // 从主列表移出,归档箱按需懒加载(打开归档箱时 loadArchivedProjects)
        state.projects = state.projects.filter(p => p.id !== id)
      } else {
        state.archivedProjects = state.archivedProjects.filter(p => p.id !== id)
        await loadProjects() // 取消归档回主列表
      }
    })
  }

  /** 加载归档项目(归档箱 Tab 数据源) */
  async function loadArchivedProjects() {
    await runWithCatch(state, t('projects.err.loadArchivedFailed'), async () => {
      state.archivedProjects = await projectApi.listArchived()
    })
  }

  /** 归档箱内恢复到主列表(取消归档语义的 UI 别名,动线用词更自然) */
  async function unarchiveProject(id: string) {
    await archiveProject(id, false)
  }

  async function purgeProject(id: string) {
    try {
      await projectApi.purge(id) // 彻底删(级联物理删,不可恢复)
      state.deletedProjects = state.deletedProjects.filter(p => p.id !== id)
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.purgeFailed')
    }
  }

  return {
    loadProjects,
    createProject,
    importProject,
    updateProject,
    deleteProject,
    relocateProjectPath,
    loadDeletedProjects,
    restoreProject,
    purgeProject,
    archiveProject,
    loadArchivedProjects,
    unarchiveProject,
    // clearError 来自 state(供 barrel re-export)
    clearError,
  }
}