import { getToken, getTokenFromApi } from './auth'
import { saveMediaInfo, saveMediaRecord, getLatestRecord, removeInfoAndRecord } from '@/api/work'

// 类型定义保持不变
export type ApiResponse = {
	code : number;
	msg : string;
	data : MediaInfoData[];
}

export type MediaInfoData = {
	pk : string;
	workorder ?: string;
	invname ?: string;
	productcode ?: string;
	cardno ?: string;
	model ?: string;
	graphid ?: string;
	ver ?: string;
	phase ?: string;
	processno ?: string;
	createtime ?: string;
	createuser ?: string;
	updatetime ?: string;
	updateuser ?: string;
	qmImageTaskClist ?: MediaRecordData[];
}

export type MediaRecordData = {
	senum ?: string;
	photoitem ?: string;
	part ?: string;
	partno ?: string;
	descb ?: string;
	num ?: number;
	urlspl ?: string;
	imgname ?: string;
	urlpdt ?: string;
	createtime ?: string;
	createuser ?: string;
	updatetime ?: string;
	updateuser ?: string;
}

export const downloadDataFromAPI = async (productCode: string, callback ?: () => void) : Promise<boolean> => {
  try {
	//校验是否已经存在未执行的产品号，若已经存在则提示用户该产品号是否需要被覆盖，
	//如果没有则直接保存。如果有存在已经在执行的产品号，则提示已存在执行中的任务
	const infoJson = await getLatestRecord(productCode, null);
	let info = infoJson?.['data'] as UTSJSONObject ?? {} as UTSJSONObject
	let ingNum = parseInt(info?.['statusRecordCount'] as string);
	//覆盖标识位
	let overwiteFlag = ref(false);
	// 先检查是否有任务正在执行中
	if (info != null && ingNum > 0) {
		uni.showToast({ title: `当前产品号已有任务在执行中！`, icon: 'error' });
		return false;
	}
	// 使用Promise来处理异步流程
	let deleteDataPromise = new Promise<boolean>((resolve) => {
		if(info != null && ingNum == 0) {
			//可以被覆盖，需要有提示框，给用户确认
			uni.showModal({
				title: '系统提示',
				content: '该产品号已存在任务是否覆盖掉？',
				cancelText: '取消',
				confirmText: '确定',
				success: function (res) {
					if (res.confirm) {
						// 标记为需要覆盖
						overwiteFlag.value = true;
						// 执行删除数据操作
						let pid = info?.['pdid'] as string;
						removeInfoAndRecord(pid).then((recordDelResponse) => {
							console.log('删除数据响应:', recordDelResponse);
							// 删除成功，解析Promise并允许继续执行
							// 确保模态框已完全关闭后再解析Promise
							setTimeout(() => {
								resolve(true);
							}, 300);
						}).catch((error) => {
							console.error('删除数据失败:', error);
							uni.showToast({ title: '删除旧数据失败', icon: 'error' });
							resolve(false);
						});
					} else {
						// 用户取消覆盖
						overwiteFlag.value = false;
						resolve(false);
					}
				}
			});
		} else {
			// 不需要显示确认框，直接解析Promise
			resolve(true);
		}
	});
	
	// 等待删除数据操作完成
	const canContinue: boolean = await deleteDataPromise;
	if (!canContinue) {
		// 如果不能继续（删除失败或用户取消），则终止函数执行
		return false;
	}

	// 继续执行后续代码...
    const apiToken = await getTokenFromApi();
    uni.showLoading({ title: '数据下载中...' });

    // 使用Promise处理HTTP请求，避免嵌套Promise
    return new Promise<boolean>((resolve) => {
      uni.request({
        url: `http://192.168.43.62:4523/m1/7190626-6915798-default/loadQmImagetask?prodcode=${productCode}`,
        method: 'GET',
        header: {
          'token': apiToken
        },
        success: (res) => {
          let singleObject = res?.['data'] as UTSJSONObject ?? {} as UTSJSONObject;
          if (singleObject != null && singleObject.code == 666) {
            let mediaInfoList = singleObject?.['data'] as UTSJSONObject[] ?? Array<UTSJSONObject>();
            if (mediaInfoList != null && mediaInfoList.length > 0) {
              mediaInfoList.forEach(item => {
                if (item != null) {
                  let data = JSON.parse<MediaInfoData>(item.toJSONString());
                  if (data != null) {
                    saveMediaInfo(item).then((resSave : UTSJSONObject) => {
                      const lastIdStr = resSave?.['lastId'] as string | null;
                      const lastId = lastIdStr != null ? parseInt(lastIdStr) : null;
                      if (lastId != null) {
                        let recordList = data?.['qmImageTaskClist'] as UTSJSONObject[] ?? Array<UTSJSONObject>();
                        if (recordList != null && recordList.length > 0) {
                          for(var i =0; i< recordList.length; i++) {
                            const record: MediaRecordData = recordList[i] as MediaRecordData;

                            // 获取各个字段的值
                            const senum = record.senum;
                            const photoitem = record.photoitem;
                            const part = record.part;
                            const partno = record.partno;
                            const descb = record.descb;
                            const num = record.num;
                            const urlspl = record.urlspl;
                            const imgname = record.imgname;
                            const urlpdt = record.urlpdt;
                            const createtime = record.createtime;
                            const createuser = record.createuser;
                            const updatetime = record.updatetime;
                            const updateuser = record.updateuser;

                            // 使用三目运算符判断，当值为null时直接插入null，否则用单引号括起来
                            var values = `${senum === null ? '1' : `'${senum}'`}, ${photoitem === null ? 'null' : `'${photoitem}'`}, ${data?.['productcode'] === null ? 'null' : `'${data?.['productcode']}'`},${part === null ? 'null' : `'${part}'`},${partno === null ? 'null' : `'${partno}'`},${descb === null ? 'null' : `'${descb}'`},${num === null ? 0 : num},1,'', ${urlspl === null ? 'null' : `'${urlspl}'`},${imgname === null ? 'null' : `'${imgname}'`},${urlpdt === null ? 'null' : `'${urlpdt}'`}, ${createtime === null ? 'null' : `'${createtime}'`}, ${createuser === null ? 'null' : `'${createuser}'`}, ${updatetime === null ? 'null' : `'${updatetime}'`}, ${updateuser === null ? 'null' : `'${updateuser}'`}, ${lastId === null ? 0 : lastId}`;
                            saveMediaRecord(values);
                          }
                          // 延迟显示完成提示，确保所有数据保存完成
                          setTimeout(() => {
                            uni.showToast({ title: `下载完成`, icon: 'success' });
                          }, 500);
                        }
                      } else {
                        console.log('保存媒体信息成功，但未获取到主键ID');
                      }
                    })
                  }
                }
              });
            }
          } else {
              const errorMsg = singleObject.msg != null ? singleObject.msg : '未知错误';
              uni.showToast({ title: `请求失败: ${errorMsg}`, icon: 'error' });
          }
          resolve(true);
        },
        fail: (err) => {
          console.error('请求失败:', err);
          uni.showToast({ title: `请求失败: ${err.errMsg}`, icon: 'error' });
          resolve(false);
        },
        complete: () => {
          console.log('请求完成');
          uni.hideLoading();
        }
      });
    });
  } catch (error) {
    console.error('下载数据总异常:', error);
    uni.showToast({ title: '下载失败，请重试', icon: 'error' });
    uni.hideLoading();
    return false;
  }
}