import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:star_lock/main/lockDetail/videoLog/videoLog/videoLog_entity.dart';
import 'package:star_lock/tools/dateTool.dart';

import '../../../../app_settings/app_colors.dart';
import '../../../../tools/titleAppBar.dart';
import 'editVideoLog_logic.dart';

class EditVideoLogPage extends StatefulWidget {
  const EditVideoLogPage({Key? key}) : super(key: key);

  @override
  State<EditVideoLogPage> createState() => _EditVideoLogPageState();
}

class _EditVideoLogPageState extends State<EditVideoLogPage> {
  final logic = Get.put(EditVideoLogLogic());
  final state = Get.find<EditVideoLogLogic>().state;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: TitleAppBar(
        barTitle: "已选${state.selectVideoLog.value}项",
        haveBack: true,
        backgroundColor: AppColors.mainColor,
        actionsList: [
          TextButton(
            child: Text(
              "全选",
              style: TextStyle(color: Colors.white, fontSize: 24.sp),
            ),
            onPressed: () async {
              state.isSelectAll.value = !state.isSelectAll.value;
            },
          ),
        ],
      ),
      body: Column(
        children: [
          Expanded(
            child: Obx(() => ListView.builder(
                itemCount: state.videoLogList.length,
                itemBuilder: (c, index) {
                  CloudStorageData item = state.videoLogList[index];
                  return Column(
                    children: [
                      Container(
                          margin: EdgeInsets.only(
                              left: 20.w, top: 15.w, bottom: 15.w),
                          child: Row(children: [
                            Text(item.date ?? "",
                                style: TextStyle(fontSize: 20.sp)),
                          ])),
                      mainListView(index, item)
                    ],
                  );
                })),
          ),
          bottomBottomBtnWidget()
        ],
      ),
    );
  }

  var itemW = (1.sw - 15.w * 4) / 3;
  var itemH = (1.sw - 15.w * 4) / 3 + 40.h;
  Widget mainListView(int index, CloudStorageData itemData) {
    return GridView.builder(
      padding: EdgeInsets.only(left: 15.w, right: 15.w),
      itemCount: itemData.recordList!.length,
      shrinkWrap: true,
      physics: const NeverScrollableScrollPhysics(),
      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
          //横轴元素个数
          crossAxisCount: 3,
          //纵轴间距
          mainAxisSpacing: 10.w,
          // 横轴间距
          crossAxisSpacing: 15.w,
          //子组件宽高长度比例
          childAspectRatio: itemW / itemH),
      itemBuilder: (context, index) {
        RecordListData recordData = itemData.recordList![index];
        return videoItem(recordData, index);
      },
    );
  }

  Widget videoItem(RecordListData recordData, int index) {
    return SizedBox(
      width: itemW,
      height: itemH,
      child: Stack(
        children: [
          Column(
            children: [
              Container(
                width: itemW,
                height: itemW,
                margin: const EdgeInsets.all(0),
                color: Colors.white,
                child: ClipRRect(
                  borderRadius: BorderRadius.circular(10.w),
                  child: Image(
                      fit: BoxFit.cover,
                      image: Image.network(recordData.imagesUrl ??
                              "images/icon_video_placeholder.jpg")
                          .image),
                ),
              ),
              SizedBox(height: 5.h),
              Text(
                  DateTool()
                      .dateToYMDHNString(recordData.operateDate.toString()),
                  textAlign: TextAlign.center,
                  style: TextStyle(fontSize: 18.sp))
            ],
          ),
          Visibility(
            visible: true,
            child: Positioned(
                top: 0.w,
                right: 0.w,
                child: GestureDetector(
                    onTap: () {},
                    child: Obx(() => Image(
                        width: 36.w,
                        height: 36.w,
                        image: state.isSelectAll.value
                            ? const AssetImage("images/icon_round_select.png")
                            : const AssetImage(
                                "images/icon_round_unSelect.png"))))),
          )
        ],
      ),
    );
  }

  Widget bottomBottomBtnWidget() {
    return Container(
      width: 1.sw,
      child: Row(mainAxisAlignment: MainAxisAlignment.center, children: [
        bottomBtnItemWidget(
            "images/main/icon_lockDetail_monitoringDownloadVideo.png",
            "下载",
            Colors.white,
            () {}),
        SizedBox(width: 100.w),
        bottomBtnItemWidget(
            "images/main/icon_lockDetail_monitoringDeletVideo.png",
            "删除",
            AppColors.mainColor,
            () {})
      ]),
    );
  }

  Widget bottomBtnItemWidget(
      String iconUrl, String name, Color backgroundColor, Function() onClick) {
    var wh = 40.w;
    return GestureDetector(
      onTap: onClick,
      child: Container(
          height: 140.h,
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              SizedBox(height: 30.w),
              Image.asset(iconUrl, width: wh, height: wh, fit: BoxFit.fitWidth),
              SizedBox(height: 10.w),
              Expanded(
                  child: Text(name,
                      style: TextStyle(fontSize: 22.sp),
                      textAlign: TextAlign.center))
            ],
          )),
    );
  }
}