import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:on_field_work/controller/dashboard/dashboard_controller.dart';
import 'package:on_field_work/helpers/widgets/my_text.dart';
import 'package:on_field_work/helpers/utils/utils.dart';
import 'package:on_field_work/helpers/widgets/my_custom_skeleton.dart';
import 'package:on_field_work/controller/expense/expense_screen_controller.dart';
import 'package:on_field_work/view/expense/expense_screen.dart';
import 'package:collection/collection.dart';

class ExpenseByStatusWidget extends StatelessWidget {
  final DashboardController controller;

  const ExpenseByStatusWidget({super.key, required this.controller});

  Widget _buildStatusTile({
    required IconData icon,
    required Color color,
    required String title,
    required String amount,
    required String count,
    required VoidCallback onTap,
  }) {
    return InkWell(
      onTap: onTap,
      borderRadius: BorderRadius.circular(8),
      child: Padding(
        padding: const EdgeInsets.symmetric(vertical: 6),
        child: Row(
          children: [
            CircleAvatar(
              backgroundColor: color.withOpacity(0.15),
              radius: 22,
              child: Icon(icon, color: color, size: 24),
            ),
            const SizedBox(width: 12),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  MyText.bodyMedium(title, fontWeight: 600),
                  const SizedBox(height: 2),
                  MyText.bodySmall(amount,
                      color: Colors.indigo, fontWeight: 600),
                ],
              ),
            ),
            MyText.titleMedium(count, color: Colors.blue, fontWeight: 700),
            const Icon(Icons.chevron_right, color: Colors.blue, size: 24),
          ],
        ),
      ),
    );
  }

// Navigate with status filter
  Future<void> _navigateToExpenseWithFilter(
      BuildContext context, String statusName) async {
    final expenseController = Get.put(ExpenseController());

    // 1️⃣ Ensure global projects and master data are loaded
    if (expenseController.projectsMap.isEmpty) {
      await expenseController.fetchGlobalProjects();
    }

    if (expenseController.expenseStatuses.isEmpty) {
      await expenseController.fetchMasterData();
    }

    // 2️⃣ Auto-select current project from DashboardController
    final dashboardController = Get.find<DashboardController>();
    final currentProjectId =
        dashboardController.projectController.selectedProjectId.value;

    final projectName = expenseController.projectsMap.entries
        .firstWhereOrNull((entry) => entry.value == currentProjectId)
        ?.key;

    expenseController.selectedProject.value = projectName ?? '';

    // 3️⃣ Select status filter
    final matchedStatus = expenseController.expenseStatuses.firstWhereOrNull(
      (e) => e.name.toLowerCase() == statusName.toLowerCase(),
    );
    expenseController.selectedStatus.value = matchedStatus?.id ?? '';

    // 4️⃣ Fetch expenses immediately with applied filters
    await expenseController.fetchExpenses();

    // 5️⃣ Navigate to Expense screen
    Get.to(() => const ExpenseMainScreen());
  }

// Navigate without status filter
  Future<void> _navigateToExpenseWithoutFilter() async {
    final expenseController = Get.put(ExpenseController());

    // Ensure global projects loaded
    if (expenseController.projectsMap.isEmpty) {
      await expenseController.fetchGlobalProjects();
    }

    // Auto-select current project
    final dashboardController = Get.find<DashboardController>();
    final currentProjectId =
        dashboardController.projectController.selectedProjectId.value;

    final projectName = expenseController.projectsMap.entries
        .firstWhereOrNull((entry) => entry.value == currentProjectId)
        ?.key;

    expenseController.selectedProject.value = projectName ?? '';
    expenseController.selectedStatus.value = '';

    // Fetch expenses with project filter (no status)
    await expenseController.fetchExpenses();

    // Navigate to Expense screen
    Get.to(() => const ExpenseMainScreen());
  }

  @override
  Widget build(BuildContext context) {
    return Obx(() {
      final data = controller.pendingExpensesData.value;

      if (controller.isPendingExpensesLoading.value) {
        return SkeletonLoaders.expenseByStatusSkeletonLoader();
      }

      if (data == null) {
        return Center(
          child: MyText.bodyMedium("No expense status data available"),
        );
      }

      return Container(
        padding: const EdgeInsets.all(16),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(5),
          boxShadow: [
            BoxShadow(
              color: Colors.grey.withOpacity(0.05),
              blurRadius: 6,
              spreadRadius: 1,
              offset: const Offset(0, 2),
            ),
          ],
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            MyText.titleMedium("Expense - By Status", fontWeight: 700),
            const SizedBox(height: 16),

            // ✅ Status tiles
            _buildStatusTile(
              icon: Icons.currency_rupee,
              color: Colors.indigo,
              title: "Pending Payment",
              amount: Utils.formatCurrency(data.processPending.totalAmount),
              count: data.processPending.count.toString(),
              onTap: () {
                _navigateToExpenseWithFilter(context, 'Payment Pending');
              },
            ),
            _buildStatusTile(
              icon: Icons.check_circle_outline,
              color: Colors.orange,
              title: "Pending Approve",
              amount: Utils.formatCurrency(data.approvePending.totalAmount),
              count: data.approvePending.count.toString(),
              onTap: () {
                _navigateToExpenseWithFilter(context, 'Approval Pending');
              },
            ),
            _buildStatusTile(
              icon: Icons.search,
              color: Colors.grey.shade700,
              title: "Pending Review",
              amount: Utils.formatCurrency(data.reviewPending.totalAmount),
              count: data.reviewPending.count.toString(),
              onTap: () {
                _navigateToExpenseWithFilter(context, 'Review Pending');
              },
            ),
            _buildStatusTile(
              icon: Icons.insert_drive_file_outlined,
              color: Colors.cyan,
              title: "Draft",
              amount: Utils.formatCurrency(data.draft.totalAmount),
              count: data.draft.count.toString(),
              onTap: () {
                _navigateToExpenseWithFilter(context, 'Draft');
              },
            ),

            const SizedBox(height: 16),
            Divider(color: Colors.grey.shade300),
            const SizedBox(height: 12),

            // ✅ Total row tap navigation (no filter)
            InkWell(
              onTap: _navigateToExpenseWithoutFilter,
              borderRadius: BorderRadius.circular(8),
              child: Padding(
                padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 4),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        MyText.bodyMedium("Project Spendings:",
                            fontWeight: 600),
                        MyText.bodySmall("(All Processed Payments)",
                            color: Colors.grey.shade600),
                      ],
                    ),
                    Row(
                      children: [
                        MyText.titleLarge(
                          Utils.formatCurrency(data.totalAmount),
                          color: Colors.blue,
                          fontWeight: 600,
                        ),
                        const SizedBox(width: 6),
                        const Icon(Icons.chevron_right,
                            color: Colors.blue, size: 22),
                      ],
                    )
                  ],
                ),
              ),
            ),
          ],
        ),
      );
    });
  }
}