import 'package:drift/drift.dart' show Value;
import 'package:flutter/material.dart';
import 'package:get_it/get_it.dart';
import 'package:okane/database/sqlite.dart';
import 'package:okane/i18n/strings.g.dart';
import 'package:okane/ui/utils.dart';

enum LoanChangeType { owe, loan }

class AddLoanChangePopup extends StatefulWidget {
  final VoidCallback onDone;

  final LoanDto loan;

  const AddLoanChangePopup({
    super.key,
    required this.onDone,
    required this.loan,
  });

  @override
  AddLoanPopupState createState() => AddLoanPopupState();
}

class AddLoanPopupState extends State<AddLoanChangePopup> {
  LoanChangeType _loanChangeType = LoanChangeType.loan;
  final TextEditingController _amountController = TextEditingController(
    text: "0.00",
  );

  DateTime _selectedDate = DateTime.now();

  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisSize: MainAxisSize.min,
      children: [
        SegmentedButton(
          segments: [
            ButtonSegment(value: LoanChangeType.loan, label: Text("Loan")),
            ButtonSegment(value: LoanChangeType.owe, label: Text("Owe")),
          ],
          selected: {_loanChangeType},
          onSelectionChanged: (values) {
            setState(() {
              _loanChangeType = values.first;
            });
          },
        ),
        TextField(
          decoration: InputDecoration(
            icon: Icon(Icons.euro),
            hintText: "Amount",
          ),
          controller: _amountController,
          keyboardType: TextInputType.numberWithOptions(
            signed: false,
            decimal: true,
          ),
        ),
        Row(
          children: [
            Text("Date"),
            OutlinedButton(
              onPressed: () async {
                final dt = await showDatePicker(
                  context: context,
                  initialDate: _selectedDate,
                  firstDate: DateTime(1),
                  lastDate: DateTime(9999),
                );
                if (dt == null) return;

                setState(() => _selectedDate = dt);
              },
              child: Text(formatDateTime(_selectedDate)),
            ),
          ],
        ),
        Align(
          alignment: Alignment.centerRight,
          child: OutlinedButton(
            onPressed: () async {
              final sign = switch (_loanChangeType) {
                LoanChangeType.owe => -1,
                LoanChangeType.loan => 1,
              };
              await GetIt.I.get<OkaneDatabase>().loansDao.upsertLoanChange(
                LoanChangesCompanion(
                  amount: Value(
                    sign * double.parse(_amountController.text).abs(),
                  ),
                  date: Value(DateTime.now()),
                  loanId: Value(widget.loan.loan.id),
                ),
              );
              widget.onDone();
            },
            child: Text(t.modals.add),
          ),
        ),
      ],
    );
  }
}