import 'package:flutter/material.dart';
import 'package:niogu_app/core/constants/app_color.dart';
import 'package:niogu_app/core/constants/app_font_size.dart';
import 'package:niogu_app/core/utils/currency_format.dart';
import 'package:niogu_app/core/widgets/custom_form_input.dart';
import 'package:niogu_app/features/stock_in/domain/entities/stock_in.dart';
import 'package:sizer/sizer.dart';

class FinancialSection extends StatelessWidget {
  final GlobalKey<FormState> formKey;
  final double totalPurchase;
  final bool isOtherFormVisible;
  final List<SelectedItem> items;
  final bool validateChange;
  final double totalAmount;
  final String selectedPaymentStatus;
  final VoidCallback onOtherFormTap;
  final TextEditingController discountController;
  final TextEditingController taxController;
  final TextEditingController noteController;
  final TextEditingController payController;
  final void Function(String)? onCalculateChange;
  final double changeAmount;
  final void Function(String)? discountOnChanged;
  final void Function(String)? taxOnChanged;
  final void Function(String?) onChanged;
  const FinancialSection({
    super.key,
    required this.formKey,
    required this.totalPurchase,
    required this.isOtherFormVisible,
    required this.items,
    required this.validateChange,
    required this.totalAmount,
    required this.selectedPaymentStatus,
    required this.onOtherFormTap,
    required this.discountController,
    required this.taxController,
    required this.noteController,
    required this.payController,
    required this.onCalculateChange,
    required this.changeAmount,
    required this.discountOnChanged,
    required this.taxOnChanged,
    required this.onChanged,
  });

  @override
  Widget build(BuildContext context) {
    final bool isTablet = 100.w >= 600;
    String? discountErrorText;

    String? taxErrorText;

    String? payErrorText;

    final double payAmount = double.tryParse(payController.text.trim()) ?? 0.0;

    bool isViewChangeAmount = payAmount >= totalAmount && items.isNotEmpty;

    if (selectedPaymentStatus == 'Bayar Sebagian') {
      isViewChangeAmount = totalAmount > payAmount && items.isNotEmpty;
    }

    try {
      if (discountController.text.isNotEmpty) {
        final double discount = double.parse(discountController.text.trim());

        if (discount <= 0) {
          discountErrorText = "Diskon harus lebih dari 0";
        }
      }
    } catch (e) {
      discountErrorText = "Nominal diskon tidak valid";
    }

    try {
      if (taxController.text.isNotEmpty) {
        final double tax = double.parse(taxController.text.trim());
        if (tax <= 0) {
          taxErrorText = "Pajak harus lebih dari 0";
        }
      }
    } catch (e) {
      taxErrorText = "Nominal pajak tidak valid";
    }

    try {
      if (payController.text.isNotEmpty && validateChange) {
        final double payAmount = double.parse(payController.text.trim());
        if (payAmount <= 0) {
          payErrorText = "Nominal pembayaran harus lebih dari 0";
        }
        if (selectedPaymentStatus == 'Lunas' && totalAmount > payAmount) {
          payErrorText =
              "Kurang ${CurrencyFormat.formatToIdr((totalAmount - payAmount), 0)}";
        }
      }
    } catch (e) {
      payErrorText = "Nominal pembayaran tidak valid";
    }

    return Container(
      padding: EdgeInsets.all(4.w),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(2.5.w),
        border: Border.all(color: Colors.grey.shade200),
      ),
      child: Form(
        key: formKey,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Text(
                  "Subtotal",
                  style: TextStyle(
                    color: Colors.grey[700],
                    fontSize: isTablet
                        ? AppFontSize.medium.sp
                        : AppFontSize.small.sp,
                  ),
                ),
                Text(
                  CurrencyFormat.formatToIdr(totalPurchase, 0),
                  style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: isTablet
                        ? AppFontSize.medium.sp
                        : AppFontSize.small.sp,
                  ),
                ),
              ],
            ),
            Divider(height: 3.h),

            Container(
              decoration: BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.circular(2.5.w),
                border: Border.all(color: Colors.grey.shade300),
              ),
              child: Column(
                children: [
                  InkWell(
                    onTap: onOtherFormTap,
                    borderRadius: BorderRadius.vertical(
                      top: Radius.circular(2.5.w),
                      bottom: Radius.circular(isOtherFormVisible ? 0 : 2.5.w),
                    ),
                    child: Padding(
                      padding: EdgeInsets.symmetric(
                        horizontal: 4.w,
                        vertical: 1.5.h,
                      ),
                      child: Row(
                        children: [
                          Container(
                            padding: EdgeInsets.all(1.5.w),
                            decoration: BoxDecoration(
                              color: isOtherFormVisible
                                  ? AppColor.primaryColor.withOpacity(0.1)
                                  : Colors.grey[100],
                              shape: BoxShape.circle,
                            ),
                            child: Icon(
                              Icons.info_outlined,
                              color: isOtherFormVisible
                                  ? AppColor.primaryColor
                                  : Colors.grey,
                              size: 5.w,
                            ),
                          ),
                          SizedBox(width: 3.w),
                          Expanded(
                            child: Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Text(
                                  "Informasi Lain",
                                  style: TextStyle(
                                    fontWeight: FontWeight.bold,
                                    fontSize: isTablet
                                        ? AppFontSize.medium.sp
                                        : AppFontSize.small.sp,
                                    color: Colors.black87,
                                  ),
                                ),
                                SizedBox(height: 1.h),
                                Text(
                                  "Opsional (Diskon, Pajak, Catatan)",
                                  style: TextStyle(
                                    fontSize: isTablet
                                        ? AppFontSize.medium.sp
                                        : AppFontSize.small.sp,
                                    color: Colors.grey,
                                  ),
                                ),
                              ],
                            ),
                          ),
                          Icon(
                            isOtherFormVisible
                                ? Icons.keyboard_arrow_up_rounded
                                : Icons.keyboard_arrow_down_rounded,
                            color: Colors.grey,
                            size: 6.w,
                          ),
                        ],
                      ),
                    ),
                  ),
                  if (isOtherFormVisible) ...[
                    Divider(height: 1, color: Colors.grey.shade200),
                    Padding(
                      padding: EdgeInsets.all(4.w),
                      child: Column(
                        children: [
                          CustomFormInput(
                            label: "Diskon (Rp)",
                            icon: Icons.discount_outlined,
                            controller: discountController,
                            onChanged: discountOnChanged,
                            inputType: TextInputType.number,
                            validator: (value) {
                              if (value != null && value.isNotEmpty) {
                                try {
                                  final double discount = double.parse(value);
                                  if (discount <= 0) {
                                    return "Diskon harus lebih dari 0";
                                  }
                                } catch (e) {
                                  return "Nominal diskon tidak valid";
                                }
                              }
                              return null;
                            },
                            errorText: discountErrorText,
                          ),
                          SizedBox(height: 1.5.h),
                          CustomFormInput(
                            label: "Pajak (Rp)",
                            icon: Icons.money_outlined,
                            controller: taxController,
                            onChanged: taxOnChanged,
                            inputType: TextInputType.number,
                            validator: (value) {
                              if (value != null && value.isNotEmpty) {
                                try {
                                  final double tax = double.parse(value);
                                  if (tax <= 0) {
                                    return "Pajak harus lebih dari 0";
                                  }
                                } catch (e) {
                                  return "Nominal pajak tidak valid";
                                }
                              }
                              return null;
                            },
                            errorText: taxErrorText,
                          ),
                          SizedBox(height: 1.5.h),
                          CustomFormInput(
                            label: "Catatan",
                            icon: Icons.note_alt_outlined,
                            controller: noteController,
                          ),
                        ],
                      ),
                    ),
                  ],
                ],
              ),
            ),
            SizedBox(height: 2.h),

            Container(
              padding: EdgeInsets.all(3.w),
              decoration: BoxDecoration(
                color: AppColor.primaryColor.withOpacity(0.05),
                borderRadius: BorderRadius.circular(2.w),
              ),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Text(
                    "Total Pembelian",
                    style: TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: isTablet
                          ? AppFontSize.medium.sp
                          : AppFontSize.small.sp,
                    ),
                  ),
                  Text(
                    CurrencyFormat.formatToIdr(totalAmount, 0),
                    style: TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: isTablet
                          ? AppFontSize.medium.sp
                          : AppFontSize.small.sp,
                      color: AppColor.primaryColor,
                    ),
                  ),
                ],
              ),
            ),
            SizedBox(height: 2.h),

            Text(
              "Status Pembelian",
              style: TextStyle(
                fontSize: isTablet
                    ? AppFontSize.medium.sp
                    : AppFontSize.small.sp,
                fontWeight: FontWeight.bold,
              ),
            ),

            SizedBox(height: 1.h),

            DropdownButtonFormField<String>(
              value: selectedPaymentStatus,
              isExpanded: true,
              items: ["Lunas", "Bayar Sebagian", "Hutang"]
                  .map(
                    (value) => DropdownMenuItem(
                      value: value,
                      child: Text(
                        value,
                        style: isTablet
                            ? null
                            : TextStyle(fontSize: AppFontSize.small.sp),
                      ),
                    ),
                  )
                  .toList(),
              onChanged: onChanged,
              icon: const Icon(Icons.keyboard_arrow_down_rounded),
              decoration: InputDecoration(
                filled: true,
                fillColor: Colors.white,
                contentPadding: EdgeInsets.symmetric(
                  horizontal: 4.w,
                  vertical: 1.8.h,
                ),
                enabledBorder: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(2.5.w),
                  borderSide: BorderSide(color: Colors.grey.shade300),
                ),
                focusedBorder: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(2.5.w),
                  borderSide: const BorderSide(
                    color: AppColor.primaryColor,
                    width: 1.5,
                  ),
                ),
              ),
            ),

            SizedBox(height: 2.h),

            if (selectedPaymentStatus == 'Lunas' ||
                selectedPaymentStatus == 'Bayar Sebagian') ...[
              Text(
                "Pembayaran",
                style: TextStyle(
                  fontWeight: FontWeight.bold,
                  fontSize: isTablet
                      ? AppFontSize.medium.sp
                      : AppFontSize.small.sp,
                ),
              ),
              SizedBox(height: 1.h),

              TextFormField(
                controller: payController,
                keyboardType: TextInputType.number,
                style: TextStyle(
                  fontSize: isTablet
                      ? AppFontSize.medium.sp
                      : AppFontSize.small.sp,
                ),
                autovalidateMode: AutovalidateMode.onUserInteraction,
                onChanged: onCalculateChange,
                validator: (value) {
                  try {
                    if (value == null || value.isEmpty) {
                      return "Masukkan nominal pembayaran";
                    }
                    final double payAmount = double.parse(value);
                    if (payAmount <= 0) {
                      return "Nominal pembayaran harus lebih dari 0";
                    }
                  } catch (e) {
                    return "Nominal pembayaran tidak valid";
                  }
                  return null;
                },
                decoration: InputDecoration(
                  labelText: "Bayar (Rp)",
                  labelStyle: TextStyle(
                    color: Colors.blue,
                    fontSize: AppFontSize.medium.sp,
                  ),
                  prefixIcon: Padding(
                    padding: isTablet
                        ? EdgeInsets.symmetric(horizontal: 3.w)
                        : EdgeInsets.zero,
                    child: Icon(
                      Icons.payments_outlined,
                      color: Colors.blue,
                      size: 5.w,
                    ),
                  ),
                  border: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(2.5.w),
                  ),
                  errorText: payErrorText,
                  errorStyle: TextStyle(
                    color: Colors.red,
                    fontSize: isTablet
                        ? AppFontSize.medium.sp
                        : AppFontSize.small.sp,
                  ),
                  errorBorder: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(2.5.w),
                    borderSide: const BorderSide(color: Colors.redAccent),
                  ),
                  enabledBorder: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(2.5.w),
                    borderSide: const BorderSide(color: Colors.blue),
                  ),
                  contentPadding: EdgeInsets.symmetric(
                    vertical: isTablet ? 3.6.h : 1.8.h,
                  ),
                ),
              ),

              SizedBox(height: 2.h),

              TextField(
                controller: TextEditingController(
                  text: isViewChangeAmount
                      ? CurrencyFormat.formatToIdr(changeAmount, 0)
                      : '',
                ),
                readOnly: true,
                decoration: InputDecoration(
                  labelText: selectedPaymentStatus == 'Lunas'
                      ? "Kembali"
                      : 'Kurang Bayar',
                  labelStyle: TextStyle(fontSize: AppFontSize.medium.sp),
                  prefixIcon: Padding(
                    padding: isTablet
                        ? EdgeInsets.symmetric(horizontal: 3.w)
                        : EdgeInsets.zero,
                    child: Icon(
                      Icons.change_circle_outlined,
                      color: selectedPaymentStatus == 'Lunas'
                          ? Colors.green
                          : Colors.red,
                      size: 5.w,
                    ),
                  ),
                  filled: true,
                  fillColor: Colors.grey[100],
                  border: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(2.5.w),
                    borderSide: BorderSide.none,
                  ),
                  contentPadding: EdgeInsets.symmetric(
                    vertical: isTablet ? 3.6.h : 1.8.h,
                  ),
                ),
                style: TextStyle(
                  fontSize: isTablet
                      ? AppFontSize.medium.sp
                      : AppFontSize.small.sp,
                  fontWeight: FontWeight.bold,
                  color: selectedPaymentStatus == 'Lunas'
                      ? Colors.green
                      : Colors.red,
                ),
              ),
            ] else ...[
              TextField(
                controller: TextEditingController(
                  text: items.isNotEmpty
                      ? CurrencyFormat.formatToIdr(totalAmount, 0)
                      : '',
                ),
                readOnly: true,
                decoration: InputDecoration(
                  labelText: 'Hutang',
                  labelStyle: TextStyle(fontSize: AppFontSize.medium.sp),
                  prefixIcon: Padding(
                    padding: isTablet
                        ? EdgeInsets.symmetric(horizontal: 3.w)
                        : EdgeInsets.zero,
                    child: Icon(
                      Icons.change_circle_outlined,
                      color: Colors.red,
                      size: 5.w,
                    ),
                  ),
                  filled: true,
                  fillColor: Colors.grey[100],
                  border: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(2.5.w),
                    borderSide: BorderSide.none,
                  ),
                  contentPadding: EdgeInsets.symmetric(
                    vertical: isTablet ? 3.6.h : 1.8.h,
                  ),
                ),
                style: TextStyle(
                  fontSize: isTablet
                      ? AppFontSize.medium.sp
                      : AppFontSize.small.sp,
                  fontWeight: FontWeight.bold,
                  color: Colors.red,
                ),
              ),
            ],
          ],
        ),
      ),
    );
  }
}