<template>
    <view class="page">
    <!-- Mobile 来源: ykt-management-mobile/src/pages/customer/visit-record-detail/visit-record-detail.vue -->
    <view class="body">
      <scroll-view scroll-y class="scroll">
        <view class="form-wrap">
          <FormTemplate v-if="temp" ref="formRef" :items="showItems" :form="forms" @change="onChange" />
        </view>

        <!-- 附件上传（FormTemplate 不支持 files，单独实现） -->
        <view v-if="hasFilesField" class="upload-wrap">
          <view class="upload-row">
            <view class="upload-label">文件上传</view>
            <view class="upload-desc">（支持≤5M文件，pdf文件格式）</view>
          </view>
          <view class="upload-grid">
            <view v-for="(f, idx) in fileList" :key="idx" class="upload-item" @click="previewFile(idx)">
              <image v-if="!isPdfUrl(f.url)" class="upload-thumb" :src="f.url" mode="aspectFill" />
              <view v-else class="upload-pdf">PDF</view>
              <view class="upload-remove" @click.stop="removeFile(idx)">×</view>
            </view>
            <view class="upload-add" @click="addFiles">
              <view class="plus">+</view>
            </view>
          </view>
        </view>

        <view style="height: 240rpx;"></view>
      </scroll-view>

      <view class="footer">
        <button class="btn plain" @click="cancel">取消</button>
        <button class="btn primary" @click="save">保存</button>
      </view>
    </view>

    <view v-if="recordId" class="delete-fab" @click="remove">
      <uni-icons type="trash" size="22" color="#ff4d4f" />
    </view>
  </view>
</template>

<script setup>
import { computed, reactive, ref } from 'vue';
import { onLoad } from '@dcloudio/uni-app';
import dayjs from 'dayjs';
import { storeToRefs } from 'pinia';
import FormTemplate from '@/components/form-template/index.vue';
import api from '@/utils/api';
import { uploadFile } from '@/utils/file';
import useAccountStore from '@/store/account';
import { toast, confirm, loading as uniLoading, hideLoading } from '@/utils/widget';
import { normalizeVisitRecordFormData } from './utils/visit-record';
import { normalizeTemplate, unwrapTemplateResponse } from './utils/template';

const accountStore = useAccountStore();
const { account, doctorInfo } = storeToRefs(accountStore);
const { getDoctorInfo } = accountStore;

async function ensureDoctor() {
  if (doctorInfo.value) return;
  if (!account.value?.openid) return;
  try {
    await getDoctorInfo();
  } catch {
    // ignore
  }
}

function getUserId() {
  const d = doctorInfo.value || {};
  const a = account.value || {};
  return String(d.userid || d.userId || d.corpUserId || a.userid || a.userId || '') || '';
}

function getCorpId() {
  const d = doctorInfo.value || {};
  const a = account.value || {};
  const t = uni.getStorageSync('ykt_case_current_team') || {};
  return String(d.corpId || a.corpId || t.corpId || '') || '';
}

const memberId = ref('');
const recordId = ref('');
const templateType = ref('');

const temp = ref(null);
const titleText = computed(() => {
  const t = temp.value || {};
  return String(t.name || t.templateName || t.templateTypeName || '').trim();
});
const detail = ref({});
const form = reactive({});
const forms = computed(() => ({ ...detail.value, ...form }));
const showItems = computed(() => {
  const list = temp.value?.templateList || [];
  // referenceField 兼容（与 mobile 一致）
  return list.filter((i) => {
    if (i?.type === 'files') return false;
    if (i && typeof i.referenceField === 'string') {
      return forms.value[i.referenceField] === i.referenceValue;
    }
    return true;
  });
});

const hasFilesField = computed(() => {
  const list = temp.value?.templateList || [];
  return list.some((i) => i && (i.type === 'files' || i.title === 'files'));
});

const formRef = ref(null);
const fileList = computed(() => {
  const arr = forms.value?.files;
  return Array.isArray(arr) ? arr.filter((i) => i && i.url) : [];
});

function ensureFilesField() {
  if (form.files !== undefined) return;
  if (detail.value && detail.value.files !== undefined) return;
  form.files = [];
}

async function loadTemplate(t) {
  const corpId = getCorpId();
  if (!corpId) return null;
  try {
    const res = await api('getCurrentTemplate', { corpId, templateType: t });
    if (!res?.success) {
      toast(res?.message || '获取模板失败');
      return null;
    }
    const raw = unwrapTemplateResponse(res);
    return normalizeTemplate(raw);
  } catch (e) {
    console.error('loadTemplate error:', e);
    toast('获取模板失败');
    return null;
  }
}

onLoad(async (options) => {
  memberId.value = options?.memberId || options?.archiveId || '';
  recordId.value = options?.id || '';
  templateType.value = options?.type || '';

  if (recordId.value) {
    await getDetail();
  } else {
    if (!templateType.value) templateType.value = 'outpatient';
    temp.value = await loadTemplate(templateType.value);
    if (temp.value?.templateType) templateType.value = String(temp.value.templateType);
    ensureFilesField();

    // 默认填充模板时间字段
    const timeKey = temp.value?.service?.timeTitle || '';
    if (timeKey && !form[timeKey]) form[timeKey] = dayjs().format('YYYY-MM-DD');
  }

  if (titleText.value) uni.setNavigationBarTitle({ title: titleText.value });
});

async function getDetail() {
  if (!recordId.value || !memberId.value) return;
  await ensureDoctor();
  const corpId = getCorpId();
  if (!corpId) return;
  uniLoading('加载中...');
  try {
    const res = await api('getMedicalRecordById', {
      _id: recordId.value,
      corpId,
      memberId: memberId.value,
      medicalType: templateType.value,
    });
    hideLoading();
    const record = res?.record || res?.data?.record || null;
    if (res?.success && record) {
      templateType.value = record.templateType || record.medicalType || templateType.value;
      detail.value = normalizeVisitRecordFormData(templateType.value, record);
      ensureFilesField();
      // 详情可能返回真实 templateType：与模板保持一致
      if (!temp.value || temp.value?.templateType !== templateType.value) {
        temp.value = await loadTemplate(templateType.value);
        if (temp.value?.templateType) templateType.value = String(temp.value.templateType);
        if (titleText.value) uni.setNavigationBarTitle({ title: titleText.value });
      }
    } else {
      toast(res.message || '加载失败');
    }
  } catch (error) {
    hideLoading();
    console.error('getDetail error:', error);
    toast('加载失败');
  }
}

function onChange({ title, value }) {
  form[title] = value;
  const item = showItems.value.find((i) => i.title === title);
  if (!item) return;
  // 关联字段变化时清理被关联字段（与 mobile 行为一致）
  const relat = (temp.value?.templateList || []).filter((i) => i.referenceField === title);
  relat.forEach((i) => (form[i.title] = ''));
}

function cancel() {
  uni.navigateBack();
}

async function save() {
  if (!memberId.value) {
    toast('缺少患者信息');
    return;
  }
  await ensureDoctor();
  const corpId = getCorpId();
  const userId = getUserId();
  if (!corpId || !userId) return toast('缺少用户信息');
  if (formRef.value?.verify && !formRef.value.verify()) return;

  const params = {
    ...form,
    corpId,
    memberId: memberId.value,
    medicalType: templateType.value,
  };

  // 门诊/住院：与 mobile 字段对齐（diagnosisName）
  if ((templateType.value === 'outpatient' || templateType.value === 'inhospital') && form.diagnosis && !form.diagnosisName) {
    params.diagnosisName = form.diagnosis;
  }

  if (recordId.value) {
    params._id = recordId.value;
    params.userId = userId;
  } else {
    params.creator = userId;
  }

  // sortTime：使用模板中的时间字段
  const sortTimeKey = temp.value?.service?.timeTitle || '';
  if (sortTimeKey && form[sortTimeKey] && dayjs(form[sortTimeKey]).isValid()) {
    params.sortTime = dayjs(form[sortTimeKey]).valueOf();
  } else {
    params.sortTime = Date.now();
  }

  uniLoading('保存中...');
  try {
    const res = await api(
      recordId.value ? 'updateMedicalRecord' : 'addMedicalRecord',
      params
    );
    hideLoading();
    if (res.success) {
      uni.$emit('archive-detail:visit-record-changed');
      toast(res.message || '保存成功');
      setTimeout(() => uni.navigateBack(), 300);
    } else {
      toast(res.message || '保存失败');
    }
  } catch (error) {
    hideLoading();
    console.error('save error:', error);
    toast('保存失败');
  }
}

async function remove() {
  try {
    await confirm('确定删除当前记录？');
  } catch {
    return;
  }
  if (!memberId.value || !recordId.value) return toast('缺少必要信息');
  await ensureDoctor();
  const corpId = getCorpId();
  if (!corpId) return toast('缺少必要信息');
  uniLoading('删除中...');
  try {
    const res = await api('removeMedicalRecord', {
      corpId,
      memberId: memberId.value,
      medicalType: templateType.value,
      _id: recordId.value,
    });
    hideLoading();
    if (res.success) {
      uni.$emit('archive-detail:visit-record-changed');
      toast(res.message || '已删除');
      setTimeout(() => uni.navigateBack(), 300);
    } else {
      toast(res.message || '删除失败');
    }
  } catch (error) {
    hideLoading();
    console.error('remove error:', error);
    toast('删除失败');
  }
}

function isPdfUrl(url) {
  const u = String(url || '').toLowerCase();
  return u.includes('.pdf') || u.startsWith('data:application/pdf');
}

async function addFiles() {
  const fileConfig = temp.value?.templateList?.find((i) => i && (i.type === 'files' || i.title === 'files')) || {};
  const maxSize = Number(fileConfig?.maxSize || 5) || 5; // MB
  const accept = String(fileConfig?.accept || 'pdf') || 'pdf';

  const chooseRes = await new Promise((resolve) => {
    uni.chooseMessageFile({
      count: 9,
      type: 'file',
      extension: accept ? [accept] : undefined,
      success: (res) => resolve(res),
      fail: () => resolve(null),
    });
  });
  const files = Array.isArray(chooseRes?.tempFiles) ? chooseRes.tempFiles : [];
  if (!files.length) return;

  const maxBytes = maxSize * 1024 * 1024;
  const invalidFiles = files.filter((f) => f && f.size > maxBytes);
  if (invalidFiles.length > 0) {
    toast(`文件大小不能超过${maxSize}M`);
    return;
  }

  const cur = Array.isArray(forms.value.files) ? forms.value.files : [];
  uniLoading('上传中...');
  try {
    const uploaded = [];
    for (const f of files) {
      const url = await uploadFile(f.path);
      if (!url) {
        toast('上传失败');
        continue;
      }
      uploaded.push({ url, name: f.name || '', size: f.size });
    }
    form.files = [...cur, ...uploaded];
  } finally {
    hideLoading();
  }
}

function removeFile(idx) {
  const cur = Array.isArray(forms.value.files) ? forms.value.files : [];
  form.files = cur.filter((_, i) => i !== idx);
}

function previewFile(idx) {
  const f = fileList.value[idx];
  const url = f?.url ? String(f.url) : '';
  if (!url) return;
  if (!isPdfUrl(url)) {
    const urls = fileList.value.map((i) => i.url);
    uni.previewImage({ urls, current: url });
    return;
  }
  uniLoading('打开中...');
  uni.downloadFile({
    url,
    success: (res) => {
      hideLoading();
      const filePath = res?.tempFilePath;
      if (!filePath) return toast('打开失败');
      uni.openDocument({
        filePath,
        showMenu: true,
        fail: () => toast('打开失败'),
      });
    },
    fail: () => {
      hideLoading();
      toast('打开失败');
    },
  });
}
</script>

<style scoped>
.page {
  min-height: 100vh;
  background: #f5f6f8;
  padding-bottom: calc(152rpx + env(safe-area-inset-bottom));
}
.body {
  height: 100vh;
  display: flex;
  flex-direction: column;
}
.scroll {
  flex: 1;
}
.header {
  background: #fff;
  box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.06);
}
.header-title {
  padding: 28rpx 28rpx;
  font-size: 32rpx;
  font-weight: 600;
  color: #333;
}
.form-wrap {
  background: #fff;
  margin-top: 20rpx;
  padding: 8rpx 0;
}

.upload-wrap {
  background: #fff;
  padding: 24rpx 30rpx;
  border-bottom: 2rpx solid #eee;
}
.upload-row {
  display: flex;
  align-items: baseline;
  margin-bottom: 18rpx;
}
.upload-label {
  font-size: 28rpx;
  line-height: 42rpx;
  color: #111827;
  flex-shrink: 0;
}
.upload-desc {
  font-size: 24rpx;
  color: #9ca3af;
  margin-left: 8rpx;
}
.upload-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 18rpx;
}
.upload-item {
  width: 180rpx;
  height: 140rpx;
  position: relative;
  border: 2rpx solid #e5e7eb;
  border-radius: 8rpx;
  overflow: hidden;
  background: #f9fafb;
}
.upload-thumb {
  width: 100%;
  height: 100%;
}
.upload-pdf {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34rpx;
  font-weight: 700;
  color: #0877F1;
  background: #eef6ff;
}
.upload-remove {
  position: absolute;
  right: 0;
  top: 0;
  width: 36rpx;
  height: 36rpx;
  line-height: 36rpx;
  text-align: center;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 28rpx;
}
.upload-add {
  width: 180rpx;
  height: 140rpx;
  border: 2rpx dashed #d1d5db;
  border-radius: 8rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
}
.plus {
  font-size: 52rpx;
  line-height: 52rpx;
}
.footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  padding: 24rpx 28rpx calc(24rpx + env(safe-area-inset-bottom));
  display: flex;
  gap: 24rpx;
  box-shadow: 0 -8rpx 24rpx rgba(0, 0, 0, 0.06);
}
.btn {
  flex: 1;
  height: 88rpx;
  line-height: 88rpx;
  border-radius: 12rpx;
  font-size: 30rpx;
}
.btn::after {
  border: none;
}
.btn.plain {
  background: #fff;
  color: #0877F1;
  border: 2rpx solid #0877F1;
}
.btn.primary {
  background: #0877F1;
  color: #fff;
}

.delete-fab {
  position: fixed;
  right: 32rpx;
  bottom: calc(192rpx + env(safe-area-inset-bottom));
  width: 104rpx;
  height: 104rpx;
  border-radius: 52rpx;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20rpx 36rpx rgba(0, 0, 0, 0.12);
  z-index: 30;
}
</style>
