import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:vbvs_app/common/color/appConstants.dart';
import 'package:vbvs_app/common/util/FitTool.dart';
import 'package:vbvs_app/common/util/MyUtils.dart';
import 'package:vbvs_app/component/tool/ClickableContainer.dart';
import 'package:vbvs_app/controller/date/CalendarController.dart';
import 'SleepdateWidget.dart';

class SleepCalendarWidget extends StatefulWidget {
  final int? timestamp;
  final ValueChanged<DateTime>? onDateSelected;

  const SleepCalendarWidget({
    super.key,
    this.timestamp,
    this.onDateSelected,
  });

  @override
  State<SleepCalendarWidget> createState() => _SleepCalendarWidgetState();
}

class _SleepCalendarWidgetState extends State<SleepCalendarWidget> {
  CalendarController calendarController = Get.find();

  @override
  void initState() {
    super.initState();
    final initialDate = widget.timestamp != null
        ? DateTime.fromMillisecondsSinceEpoch(widget.timestamp!)
        : DateTime.now();
    calendarController.displayedMonth.value = initialDate;
    calendarController.selectedDate.value = initialDate;
  }

  @override
  Widget build(BuildContext context) {
    List<Map<String, dynamic>> showLabel = [
      {"level": 1, "name": "优秀", "color": Color(0xFF4CAF50)},
      {"level": 2, "name": "良好", "color": Color(0xFF8BC34A)},
      {"level": 3, "name": "合格", "color": Color(0xFFFFC107)},
      {"level": 4, "name": "注意", "color": Color(0xFFF44336)},
      {"level": 5, "name": "无报告", "color": Color(0xFF9E9E9E)},
    ];

    return Container(
      width: double.infinity,
      decoration: BoxDecoration(
        borderRadius: BorderRadius.only(
          topLeft: Radius.circular(20.rpx),
          topRight: Radius.circular(20.rpx),
        ),
      ),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Container(
            width: double.infinity,
            constraints: BoxConstraints(minHeight: 90.rpx),
            decoration: BoxDecoration(
              color: const Color(0xFF313541),
              borderRadius: BorderRadius.only(
                topLeft: Radius.circular(20.rpx),
                topRight: Radius.circular(20.rpx),
              ),
            ),
            child: Padding(
              padding:
                  EdgeInsetsDirectional.fromSTEB(65.rpx, 0.rpx, 65.rpx, 0.rpx),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  ClickableContainer(
                    backgroundColor: Colors.transparent,
                    highlightColor: Colors.grey,
                    padding: EdgeInsetsDirectional.fromSTEB(
                        8.rpx, 8.rpx, 8.rpx, 8.rpx),
                    onTap: () => calendarController.previousMonth(),
                    child: Icon(
                      Icons.arrow_back_ios_new,
                      color: const Color(0xFF6D6F73),
                      size: 24.rpx,
                    ),
                  ),
                  Obx(() => Text(
                        '${calendarController.displayedMonth.value.year}年${calendarController.displayedMonth.value.month}月',
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: 30.rpx,
                          letterSpacing: 0.0,
                        ),
                      )),
                  ClickableContainer(
                    backgroundColor: Colors.transparent,
                    highlightColor: Colors.grey,
                    padding: EdgeInsetsDirectional.fromSTEB(
                        8.rpx, 8.rpx, 8.rpx, 8.rpx),
                    onTap: () => calendarController.nextMonth(),
                    child: Icon(
                      Icons.arrow_forward_ios,
                      color: const Color(0xFF6D6F73),
                      size: 24.rpx,
                    ),
                  ),
                ],
              ),
            ),
          ),
          Container(
            width: double.infinity,
            constraints: BoxConstraints(minHeight: 720.rpx),
            decoration: const BoxDecoration(color: Color(0xFF242835)),
            child: Padding(
              padding: EdgeInsetsDirectional.fromSTEB(
                  65.rpx, 13.rpx, 65.rpx, 38.rpx),
              child: Obx(() {
                final daysInMonth = calendarController.getDaysInMonth();
                final calendarRows =
                    calendarController.getCalendarRows(daysInMonth);
                final selectedDate = calendarController.selectedDate.value;

                return Column(
                  mainAxisSize: MainAxisSize.max,
                  children: [
                    // Weekdays Header
                    Container(
                      constraints: BoxConstraints(minHeight: 90.rpx),
                      child: Row(
                        children: [
                          for (var day in ["一", "二", "三", "四", "五", "六", "日"])
                            Expanded(
                              child: Center(
                                child: Text(
                                  day,
                                  style: TextStyle(
                                    color: stringToColor("#FFFFFF"),
                                    fontSize:
                                        AppConstants().normal_text_fontSize,
                                  ),
                                ),
                              ),
                            ),
                        ],
                      ),
                    ),
                    // Calendar days
                    Column(
                      children: calendarRows.map((week) {
                        return Row(
                          mainAxisAlignment: MainAxisAlignment.start,
                          children: week.map((date) {
                            if (date.year == 0) {
                              return Expanded(
                                child: Padding(
                                  padding: EdgeInsets.all(0.rpx),
                                  child: SizedBox.shrink(),
                                ),
                              );
                            }
                            final isSelected = selectedDate != null &&
                                date.year == selectedDate.year &&
                                date.month == selectedDate.month &&
                                date.day == selectedDate.day;
                            return Expanded(
                              child: SleepdateWidget(
                                date: date,
                                isSelected: isSelected,
                                onTap: () {
                                  calendarController.selectDate(date);
                                  if (widget.onDateSelected != null) {
                                    widget.onDateSelected!(date);
                                  }
                                  print(date);
                                  Get.back();
                                },
                              ),
                            );
                          }).toList(),
                        );
                      }).toList(),
                    ),
                    SizedBox(height: 55.rpx),
                    Wrap(
                      spacing: 20.rpx,
                      runSpacing: 20.rpx,
                      children: showLabel.map<Widget>((item) {
                        return Container(
                          padding: EdgeInsets.all(5.rpx),
                          child: Row(
                            mainAxisSize: MainAxisSize.min,
                            children: [
                              Container(
                                width: 20.rpx,
                                height: 20.rpx,
                                decoration: BoxDecoration(
                                  color: item["color"],
                                  borderRadius: BorderRadius.circular(10.rpx),
                                ),
                              ),
                              SizedBox(width: 8.rpx),
                              Text(
                                item["name"],
                                style: TextStyle(
                                  color: Colors.white,
                                  fontSize: 24.rpx,
                                ),
                              ),
                            ],
                          ),
                        );
                      }).toList(),
                    ),
                 
                  ],
                );
              }),
            ),
          ),
        ],
      ),
    );
  }
}