<template>
  <!-- 求职偏好设置弹窗 -->
  <div v-if="visible" class="job-goal-dialog__overlay" @click.self="handleClose">
    <div class="job-goal-dialog">
      <!-- 头部区域 -->
      <div class="job-goal-dialog__header">
        <span class="job-goal-dialog__title">求职偏好</span>
        <!-- 关闭按钮 -->
        <svg class="job-goal-dialog__close-btn" @click="handleClose" width="24" height="24" viewBox="0 0 24 24" fill="none">
          <path d="M6 6L18 18M18 6L6 18" stroke="#6A7282" stroke-width="1.5" stroke-linecap="round"/>
        </svg>
      </div>

      <!-- 岗位选择模块 -->
      <div class="job-goal-dialog__section">
        <div class="job-goal-dialog__label">岗位</div>
        <JobCategorySelector
          :categoryIds="selectedCategoryIds"
          :maxSelect="3"
          :level="3"
          :allowParentSelect="false"
          :triggerStyle="selectorTriggerStyle"
          :displayStyle="selectorDisplayStyle"
          @update:categoryIds="onCategoryChange"
        />
      </div>

      <!-- 行业选择模块 -->
      <div class="job-goal-dialog__section">
        <div class="job-goal-dialog__label">行业</div>
        <IndustrySelector
          :industryIds="selectedIndustryIds"
          :maxSelect="3"
          :level="2"
          :allowParentSelect="false"
          :triggerStyle="selectorTriggerStyle"
          :displayStyle="selectorDisplayStyle"
          @update:industryIds="onIndustryChange"
        />
      </div>

      <!-- 城市选择模块 -->
      <div class="job-goal-dialog__section">
        <div class="job-goal-dialog__label">城市</div>
        <RegionSelector
          :regionCodes="selectedRegionCodes"
          :level="2"
          :maxSelect="3"
          :triggerStyle="selectorTriggerStyle"
          :displayStyle="selectorDisplayStyle"
          @update:regionCodes="onRegionChange"
        />
      </div>

      <!-- 招聘类型选择模块 -->
      <div class="job-goal-dialog__section">
        <div class="job-goal-dialog__label">招聘类型</div>
        <!-- 招聘类型按钮组 -->
        <div class="job-goal-dialog__type-group">
          <button
            v-for="t in jobTypes"
            :key="t"
            class="job-goal-dialog__type-btn"
            :class="{ 'job-goal-dialog__type-btn--active': selectedJobType === t }"
            @click="selectedJobType = t"
          >
            {{ t }}
          </button>
        </div>
      </div>

      <!-- 保存按钮 -->
      <button class="job-goal-dialog__save-btn" @click="handleSave">保存</button>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, watch } from 'vue'
import { useStore } from 'vuex'
import { JOB_TYPE_OPTIONS, formatEmploymentType } from '@/stores/index'
import RegionSelector from './tools/RegionSelector.vue'
import IndustrySelector from './tools/IndustrySelector.vue'
import JobCategorySelector from './tools/JobCategorySelector.vue'

/** 组件属性：控制弹窗显示/隐藏 */
const props = defineProps<{ modelValue: boolean }>()

/** 组件事件：更新弹窗状态 */
const emit = defineEmits<{
  (e: 'update:modelValue', val: boolean): void
}>()

const store = useStore()

/** 弹窗可见状态 */
const visible = ref(props.modelValue)
/** 监听外部传入的 modelValue 同步弹窗状态 */
watch(() => props.modelValue, (v) => { visible.value = v })
/** 监听弹窗状态变化并通知父组件 */
watch(visible, (v) => { emit('update:modelValue', v) })

/** 本地编辑副本 — 打开弹窗时从 store 拷贝，保存时写回 store */
const selectedCategoryIds = ref<number[]>([])
const selectedIndustryIds = ref<number[]>([])
const selectedRegionCodes = ref<string[]>([])
const selectedJobType = ref('全部')

/** 招聘类型选项列表 */
const jobTypes = JOB_TYPE_OPTIONS.map(item => item.label)

/** 弹窗打开时从 store 同步数据到本地编辑副本 */
watch(() => props.modelValue, (v) => {
  if (v) {
    const intention = store.state.jobIntention
    selectedCategoryIds.value = [...(intention.categoryIds || [])]
    selectedIndustryIds.value = [...(intention.industryIds || [])]
    selectedRegionCodes.value = [...(intention.regionCodes || [])]
    selectedJobType.value = formatEmploymentType(intention.recruitCategory) || '全部'
  }
})

/** 选择器触发按钮的自定义样式 */
const selectorTriggerStyle: Record<string, string> = {
  width: '100%',
  'box-sizing': 'border-box',
  padding: '0.08rem 0.16rem',
  'font-size': '0.14rem',
  color: '#1A1A1A',
  background: '#F3F4F6',
  border: 'none',
  'border-radius': '0.08rem',
  'max-width': 'none',
  'justify-content': 'space-between',
}

/** 选择器显示文字的自定义样式 */
const selectorDisplayStyle: Record<string, string> = {
  'max-width': 'none',
}

/** 岗位选择变更回调 */
function onCategoryChange(ids: number[]) {
  selectedCategoryIds.value = ids
}

/** 行业选择变更回调 */
function onIndustryChange(ids: number[]) {
  selectedIndustryIds.value = ids
}

/** 地区选择变更回调 */
function onRegionChange(codes: string[]) {
  selectedRegionCodes.value = codes
}

/** 保存表单数据 */
async function handleSave() {
  try {
    await store.dispatch('saveJobIntention', {
      categoryIds: [...selectedCategoryIds.value],
      industryIds: [...selectedIndustryIds.value],
      regionCodes: [...selectedRegionCodes.value],
      recruitCategory: JOB_TYPE_OPTIONS.find(o => o.label === selectedJobType.value)?.value ?? 0,
    })
    visible.value = false
  } catch (e) {
    console.error('保存求职意向失败', e)
  }
}

/** 关闭弹窗 */
function handleClose() {
  visible.value = false
}
</script>
