// Author: fruit.com.cn

import { onMounted, reactive, ref } from 'vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import {
  createDramaApi,
  getCreatorProfileApi,
  listCreatorNoticesApi,
  pageMyDramasApi,
  submitDramaApi,
  withdrawSubmissionApi
} from '@/api/admin/creatorCenter'
import { useCreatorAccess } from './useCreatorAccess'

/** 作品状态：与后端 ContentStatus 一一对应 */
export const DRAMA_STATUS = [
  { value: 'draft', label: '草稿', tag: 'info' },
  { value: 'reviewing', label: '审核中', tag: 'warning' },
  { value: 'approved', label: '待发布', tag: 'warning' },
  { value: 'published', label: '已上线', tag: 'success' },
  { value: 'offline', label: '已下线', tag: 'info' }
]

/** 提交状态：与后端 content_submission.status 一一对应 */
export const SUBMISSION_STATUS = [
  { value: 'DRAFT', label: '草稿', tag: 'info' },
  { value: 'SUBMITTED', label: '已提交', tag: 'warning' },
  { value: 'REVIEWING', label: '审核中', tag: 'warning' },
  { value: 'APPROVED', label: '已通过', tag: 'success' },
  { value: 'REJECTED', label: '已驳回', tag: 'danger' },
  { value: 'WITHDRAWN', label: '已撤回', tag: 'info' }
]

export const SUBMISSION_TYPE = [
  { value: 'CREATE', label: '新建' },
  { value: 'UPDATE', label: '编辑' },
  { value: 'PUBLISH', label: '申请上线' },
  { value: 'OFFLINE', label: '申请下线' }
]

export function dramaStatusMeta(status) {
  return DRAMA_STATUS.find((item) => item.value === status) || { label: status || '-', tag: 'info' }
}

export function submissionStatusMeta(status) {
  return (
    SUBMISSION_STATUS.find((item) => item.value === status) || { label: status || '-', tag: 'info' }
  )
}

export function submissionTypeText(type) {
  return SUBMISSION_TYPE.find((item) => item.value === type)?.label || type || '-'
}

/**
 * 可提交的类型：与后端 submit 的状态矩阵一一对应，前端只做"给不给出这个按钮"，
 * 真正的校验仍在服务端（前端不复制规则，只减少无效点击）。
 */
export function submitOptions(row) {
  const firstSubmit = !row.submissionId
  const options = []
  if (row.status === 'draft') {
    options.push(firstSubmit ? 'CREATE' : 'UPDATE')
    options.push('PUBLISH')
  } else if (row.status === 'offline') {
    options.push('UPDATE', 'PUBLISH')
  } else if (row.status === 'reviewing' || row.status === 'approved') {
    options.push('PUBLISH')
  } else if (row.status === 'published') {
    options.push('OFFLINE')
  }
  return options
}

export function useCreatorWorkspace() {
  const { ensureAccess } = useCreatorAccess()
  const profileLoading = ref(false)
  const profile = ref(null)

  const dramas = reactive({
    rows: [],
    total: 0,
    loading: false,
    page: 1,
    size: 10,
    keyword: '',
    status: undefined
  })

  const notices = reactive({ rows: [], loading: false, loaded: false })

  async function loadProfile() {
    profileLoading.value = true
    try {
      profile.value = (await getCreatorProfileApi()).data || null
    } finally {
      profileLoading.value = false
    }
  }

  async function loadDramas() {
    dramas.loading = true
    try {
      const res = await pageMyDramasApi({
        pageIndex: dramas.page,
        pageSize: dramas.size,
        keyword: dramas.keyword.trim() || undefined,
        status: dramas.status || undefined
      })
      dramas.rows = res.data?.list || []
      dramas.total = res.data?.total || 0
    } finally {
      dramas.loading = false
    }
  }

  function queryDramas() {
    dramas.page = 1
    loadDramas()
  }

  async function loadNotices() {
    notices.loading = true
    try {
      notices.rows = (await listCreatorNoticesApi()).data || []
      notices.loaded = true
    } finally {
      notices.loading = false
    }
  }

  async function submit(row, type) {
    const label = submissionTypeText(type)
    if (type === 'OFFLINE') {
      try {
        await ElMessageBox.confirm(
          `提交「申请下线」后由后台审核，审核通过前内容仍在线。确认提交？`,
          label,
          { confirmButtonText: '确认提交', cancelButtonText: '取消', type: 'warning' }
        )
      } catch {
        return
      }
    }
    await submitDramaApi(row.id, type)
    ElMessage.success(`已提交「${label}」，等待后台审核`)
    await loadDramas()
    if (notices.loaded) await loadNotices()
  }

  async function withdraw(row) {
    if (!row.submissionId) return
    try {
      await ElMessageBox.confirm(
        '撤回后作品回到草稿、可以继续编辑，确认撤回这次提交？',
        '撤回提交',
        {
          confirmButtonText: '确认撤回',
          cancelButtonText: '取消',
          confirmButtonClass: 'el-button--danger'
        }
      )
    } catch {
      return
    }
    await withdrawSubmissionApi(row.submissionId)
    ElMessage.success('已撤回，作品回到草稿')
    await loadDramas()
  }

  const createVisible = ref(false)
  const createSaving = ref(false)
  const createForm = reactive({ title: '', genre: '', description: '' })

  function openCreate() {
    Object.assign(createForm, { title: '', genre: '', description: '' })
    createVisible.value = true
  }

  async function confirmCreate() {
    if (!createForm.title.trim()) return ElMessage.warning('请填写作品名称')
    createSaving.value = true
    try {
      const res = await createDramaApi({
        title: createForm.title.trim(),
        genre: createForm.genre.trim(),
        description: createForm.description.trim()
      })
      ElMessage.success('草稿已创建，可以继续编辑分集')
      createVisible.value = false
      await loadDramas()
      return res.data
    } finally {
      createSaving.value = false
    }
  }

  onMounted(async () => {
    // 身份不满足（未绑定 / 未选代看目标）时不打业务接口，交给外层渲染引导页
    if (!(await ensureAccess())) return
    loadProfile()
    loadDramas()
  })

  return {
    profile,
    profileLoading,
    dramas,
    notices,
    createVisible,
    createSaving,
    createForm,
    loadProfile,
    loadDramas,
    queryDramas,
    loadNotices,
    submit,
    withdraw,
    openCreate,
    confirmCreate
  }
}