<script setup lang="ts">
import type { FormInstance, FormRules } from 'element-plus'
import type { CaseItem, CaseFormData, CaseCreateItem, CaseUpdateItem } from '../types'
import { ElMessageBox, ElMessage } from 'element-plus'

import AppUpload from '@/components/base/AppUpload.vue'
import { createCase, updateCase } from '../api'
import { useGetCourseList } from '../composables/useGetCourseList'
import { useGetExperimentList } from '../composables/useGetExperimentList'
import { useMapStore } from '@/stores/map'

interface Props {
  data?: CaseItem | null
}
const props = defineProps<Props>()

const emit = defineEmits<{
  (e: 'update'): void
  (e: 'update:modelValue', visible: boolean): void
}>()

// 课程列表
const { courses } = useGetCourseList()
// 数据状态
const status = useMapStore().getMapValuesByKey('system_status')
// 实验列表
const { experiments, updateExperiments } = useGetExperimentList()

const formRef = $ref<FormInstance>()
const form = reactive<CaseFormData>({
  name: '',
  course_id: '',
  experiment_id: '',
  status: '1',
  url: '',
  type: '',
  size: '',
  files: [],
  protocol: false
})
watchEffect(() => {
  if (!props.data) return
  form.files = [{ name: props.data.name, url: props.data.url, type: props.data.type }]
  Object.assign(form, { protocol: true, course_id: props.data.course.id }, props.data)
})
watchEffect(() => {
  updateExperiments(form.course_id)
})
const checkProtocol = (rule: any, value: any, callback: any) => {
  if (!value) {
    return callback(new Error('请阅读并同意'))
  } else {
    callback()
  }
}
const rules = ref<FormRules>({
  files: [{ type: 'array', required: true, message: '请上传案例原文' }],
  name: [{ required: true, message: '请输入案例原文名称', trigger: 'blur' }],
  course_id: [{ required: true, message: '请选择关联实验课程', trigger: 'change' }],
  experiment_id: [{ required: true, message: '请选择关联实验', trigger: 'change' }],
  protocol: [{ validator: checkProtocol, message: '请阅读并同意', trigger: 'change' }]
})
const isUpdate = $computed(() => {
  return !!props.data?.id
})
const title = $computed(() => {
  return isUpdate ? '编辑案例原文' : '新增案例原文'
})
// 实验列表
const experimentList = $computed(() => {
  if (!props.data) return experiments.value
  return isUpdate && props.data.course.id === form.course_id
    ? [{ id: props.data.experiment_id, name: props.data.experiment.name }, ...experiments.value]
    : experiments.value
})

function handleBeforeUpload() {
  if (form.files.length) {
    return ElMessageBox.confirm('系统仅支持1个案例原文，此操作将覆盖原有案例原文文件，确认上传新文件吗？', '提示')
  }
  return true
}

function handleUploadSuccess(file: any) {
  form.name = file.name.split('.').shift()
  form.size = (file.size / 1024 / 1024).toString()
  form.url = file.raw.url
  form.type = file.raw.type || 'unknown'
}
// 提交
function handleSubmit() {
  formRef?.validate().then(() => {
    isUpdate ? handleUpdate(form) : handleCreate(form)
  })
}
// 新增
function handleCreate(params: CaseCreateItem) {
  createCase(params).then(() => {
    ElMessage({ message: '创建成功', type: 'success' })
    emit('update')
    emit('update:modelValue', false)
  })
}
// 修改
function handleUpdate(params: CaseUpdateItem) {
  updateCase(params).then(() => {
    ElMessage({ message: '修改成功', type: 'success' })
    emit('update')
    emit('update:modelValue', false)
  })
}
</script>

<template>
  <el-dialog :title="title" :close-on-click-modal="false" width="600px" @update:modelValue="value => $emit('update:modelValue', value)">
    <el-form ref="formRef" :model="form" :rules="rules" label-width="124px">
      <el-form-item label="案例原文文件" prop="files">
        <AppUpload
          v-model="form.files"
          :limit="1"
          :beforeUpload="handleBeforeUpload"
          accept=".doc,.docx,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document,.pdf,application/pdf,.ppt,.pptx,application/vnd.ms-powerpoint,.csv,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel"
          @success="handleUploadSuccess">
          <template #tip>案例原文文件支持格式包含：doc docx xls xlsx pdf ppt pptx，大小不超过50M</template>
        </AppUpload>
      </el-form-item>
      <el-form-item label="案例原文名称" prop="name">
        <el-input v-model="form.name"></el-input>
        <p class="form-tips">案例原文名称自动取值于文件名称，可以进行二次修改。</p>
      </el-form-item>
      <el-form-item label="关联实验课程" prop="course_id">
        <el-select v-model="form.course_id" filterable style="width: 100%" @change="form.experiment_id = ''">
          <el-option v-for="item in courses" :key="item.id" :label="item.name" :value="item.id"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="关联实验" prop="experiment_id">
        <el-select v-model="form.experiment_id" filterable style="width: 100%">
          <el-option v-for="item in experimentList" :key="item.id" :label="item.name" :value="item.id"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="有效状态" prop="status">
        <el-radio-group v-model="form.status">
          <el-radio v-for="item in status" :key="item.id" :label="item.value">{{ item.label }}</el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item prop="protocol">
        <el-checkbox label="我已阅读并同意" v-model="form.protocol" />
        <a
          href="https://view.officeapps.live.com/op/view.aspx?src=https://webapp-pub.ezijing.com/center_resource/%E7%B4%AB%E8%8D%86%E6%95%99%E8%82%B2%E7%94%A8%E6%88%B7%E5%85%A5%E9%A9%BB%E5%8F%8A%E7%BD%91%E7%BB%9C%E6%95%99%E5%AD%A6%E8%B5%84%E6%BA%90%E5%8D%8F%E8%AE%AE(1).docx"
          target="_blank"
          >《紫荆教育用户入驻及网络教学资源协议》</a
        >
      </el-form-item>
      <el-row justify="center">
        <el-button type="primary" round auto-insert-space @click="handleSubmit">保存</el-button>
        <el-button round auto-insert-space @click="$emit('update:modelValue', false)">取消</el-button>
      </el-row>
    </el-form>
  </el-dialog>
</template>

<style lang="scss" scoped>
.form-tips {
  font-size: 12px;
  color: #999;
}
</style>
