<?php

namespace Modules\Business\App\Http\Controllers;

use App\Events\MultiPaymentProcessed;
use App\Models\Branch;
use App\Models\Income;
use App\Models\PaymentType;
use App\Models\Transaction;
use Illuminate\Http\Request;
use App\Models\IncomeCategory;
use Illuminate\Support\Facades\DB;
use App\Http\Controllers\Controller;
use App\Traits\DateFilterTrait;
use App\Traits\DateRangeTrait;

class AcnooIncomeController extends Controller
{
    use DateFilterTrait, DateRangeTrait;

    public function __construct()
    {
        $this->middleware('check.permission:incomes.read')->only(['index']);
        $this->middleware('check.permission:incomes.create')->only(['store']);
        $this->middleware('check.permission:incomes.update')->only(['update']);
        $this->middleware('check.permission:incomes.delete')->only(['destroy', 'deleteAll']);
    }

    public function index(Request $request)
    {

        $income_categories = IncomeCategory::where('business_id', auth()->user()->business_id)->whereStatus(1)->latest()->get();
        $payment_types = PaymentType::where('business_id', auth()->user()->business_id)->whereStatus(1)->latest()->get();
        $branches = Branch::withTrashed()->where('business_id', auth()->user()->business_id)->latest()->get();

        $incomeQuery = Income::with('category:id,categoryName', 'payment_type:id,name', 'branch:id,name', 'transactions')->where('business_id', auth()->user()->business_id);

        // Branch filter
        if ($request->branch_id) {
            $incomeQuery->where('branch_id', $request->branch_id);
        }

        // Date Filter
        $duration = $request->custom_days ?: 'today';
        [$filter_from_date, $filter_to_date] = $this->applyDateRange($duration, $request->from_date, $request->to_date);

        $this->applyDateFilter($incomeQuery, $duration, 'incomeDate', $request->from_date, $request->to_date);

        // Search filter
        if ($request->filled('search')) {
            $search = $request->search;
            $incomeQuery->where(function ($query) use ($search) {
                $query->where('incomeFor', 'like', '%' . $search . '%')
                    ->orWhere('paymentType', 'like', '%' . $search . '%')
                    ->orWhere('amount', 'like', '%' . $search . '%')
                    ->orWhere('referenceNo', 'like', '%' . $search . '%')
                    ->orWhereHas('category', fn($q) => $q->where('categoryName', 'like', '%' . $search . '%'))
                    ->orWhereHas('payment_type', fn($q) => $q->where('name', 'like', '%' . $search . '%'))
                    ->orWhereHas('branch', fn($q) => $q->where('name', 'like', '%' . $search . '%'));
            });
        }

        $perPage = $request->input('per_page', 20);
        $incomes = $incomeQuery->latest()->paginate($perPage)->appends($request->query());

        if ($request->ajax()) {
            return response()->json([
                'data' => view('business::incomes.datas', compact('incomes', 'filter_from_date', 'filter_to_date', 'duration'))->render(),
            ]);
        }

        return view('business::incomes.index', compact('incomes', 'income_categories', 'payment_types', 'branches', 'filter_from_date', 'filter_to_date', 'duration'));
    }

    public function store(Request $request)
    {
        $request->validate([
            'income_category_id' => 'required|exists:income_categories,id',
            'incomeFor' => 'nullable|string',
            'referenceNo' => 'nullable|string',
            'incomeDate' => 'nullable|string',
            'note' => 'nullable|string',
            'payments' => 'required|array|min:1',
            'payments.*.type' => 'required|string',
            'payments.*.amount' => 'nullable|numeric|min:0',
            'payments.*.cheque_number' => 'nullable|string',
        ], [
            'payments.required' => 'At least one payment method is required.',
            'payments.*.type.required' => 'Each payment must have a type.',
            'payments.*.amount.numeric' => 'Each payment amount must be numeric.',
        ]);

        DB::beginTransaction();
        try {
            $business_id = auth()->user()->business_id;
            $payments = $request->payments;

            if (isset($payments['main'])) {
                $mainPayment = $payments['main'];
                $mainPayment['amount'] = $request->amount ?? 0;
                $payments = [$mainPayment];
            }

            $total_amount = collect($payments)
                ->reject(fn($p) => strtolower($p['type'] ?? '') === 'cheque')
                ->sum(fn($p) => $p['amount'] ?? 0);

            updateBalance($total_amount, 'increment');

            $income = Income::create($request->except('status', 'amount', 'paymentType') + [
                            'user_id' => auth()->id(),
                            'business_id' => auth()->user()->business_id,
                            'amount' => $total_amount,
                        ]);

            // MultiPaymentProcessed Event
            event(new MultiPaymentProcessed(
                $payments ?? [],
                $income->id,
                'income',
                $total_amount ?? 0,
            ));

            DB::commit();

            sendNotifyToUser($income->id, route('business.incomes.index', ['id' => $income->id]), __('Income has been created.'), $business_id);

            return response()->json([
                'message' => __('Income saved successfully.'),
                'redirect' => route('business.incomes.index')
            ]);
        } catch (\Exception $e) {
            return $e->getMessage();
            DB::rollback();
            return response()->json(['message' => __('Somethings went wrong!')], 404);
        }
    }

    public function update(Request $request, $id)
    {
        $request->validate([
            'income_category_id' => 'required|exists:income_categories,id',
            'incomeFor' => 'nullable|string',
            'referenceNo' => 'nullable|string',
            'incomeDate' => 'nullable|string',
            'note' => 'nullable|string',
            'payments' => 'required|array|min:1',
            'payments.*.type' => 'required|string',
            'payments.*.amount' => 'nullable|numeric|min:0',
            'payments.*.cheque_number' => 'nullable|string',
        ], [
            'payments.required' => 'At least one payment method is required.',
            'payments.*.type.required' => 'Each payment must have a type.',
            'payments.*.amount.numeric' => 'Each payment amount must be numeric.',
        ]);

        DB::beginTransaction();
        try {
            $business_id = auth()->user()->business_id;
            $income = Income::findOrFail($id);

            // Normalize payments
            $payments = $request->payments ?? [];

            if (isset($payments['main'])) {
                $mainPayment = $payments['main'];
                $mainPayment['amount'] = $request->amount ?? 0;
                $payments = [$mainPayment];
            }

            // Check if any old transaction type = deposit
            $hasDeposit = Transaction::where('business_id', $business_id)
                ->where('reference_id', $income->id)
                ->where('platform', 'income')
                ->where('type', 'deposit')
                ->exists();

            // Calculate total amount
            $total_amount = collect($payments)
                ->reject(function ($p) use ($hasDeposit) {
                    // exclude cheque only if not deposit
                    return !$hasDeposit && strtolower($p['type'] ?? '') === 'cheque';
                })
                ->sum(fn($p) => $p['amount'] ?? 0);

            // Adjust balance difference
            updateBalance($total_amount - $income->amount, 'increment');

            // Update income
            $income->update($request->except('status', 'amount', 'payments') + [
                    'user_id' => auth()->id(),
                    'business_id' => $business_id,
                    'amount' => $total_amount,
                ]);

            // Revert old transactions
            $oldTransactions = Transaction::where('business_id', $business_id)
                ->where('reference_id', $income->id)
                ->where('platform', 'income')
                ->get();

            foreach ($oldTransactions as $old) {
                if ($old->transaction_type === 'bank_payment' && $old->payment_type_id) {
                    $paymentType = PaymentType::find($old->payment_type_id);
                    if ($paymentType) {
                        $paymentType->decrement('balance', $old->amount);
                    }
                }
            }

            // Delete old transactions
            Transaction::where('business_id', $business_id)
                ->where('reference_id', $income->id)
                ->where('platform', 'income')
                ->delete();

            // Process new payments
            event(new MultiPaymentProcessed(
                $payments ?? [],
                $income->id,
                'income',
                $total_amount ?? 0,
            ));

            sendNotifyToUser($income->id, route('business.incomes.index', ['id' => $income->id]), __('Income has been updated.'), $business_id);

            DB::commit();

            return response()->json([
                'message' => __('Income updated successfully.'),
                'redirect' => route('business.incomes.index')
            ]);
        } catch (\Exception $e) {
            DB::rollback();
            return response()->json(['message' => __('Somethings went wrong!')], 404);
        }
    }

    public function destroy($id)
    {
        DB::beginTransaction();
        try {
            $income = Income::findOrFail($id);

            updateBalance($income->amount, 'decrement');

            sendNotifyToUser($income->id, route('business.incomes.index', ['id' => $income->id]), __('Income has been deleted.'), $income->business_id);

            $income->delete();

            DB::commit();

            return response()->json([
                'message' => __('Income deleted successfully'),
                'redirect' => route('business.incomes.index'),
            ]);
        } catch (\Exception $e) {
            DB::rollback();
            return response()->json(['message' => __('Something went wrong!')], 404);
        }
    }

    public function deleteAll(Request $request)
    {
        DB::beginTransaction();
        try {
            $incomes = Income::whereIn('id', $request->ids)->get();
            $totalAmount = $incomes->sum('amount');

            updateBalance($totalAmount, 'decrement');

            foreach ($incomes as $income) {
                sendNotifyToUser($income->id, route('business.incomes.index', ['id' => $income->id]), __('Income has been deleted.'), $income->business_id);
            }

            Income::whereIn('id', $request->ids)->delete();

            DB::commit();

            return response()->json([
                'message' => __('Selected Items deleted successfully.'),
                'redirect' => route('business.incomes.index'),
            ]);
        } catch (\Exception $e) {
            DB::rollback();
            return response()->json(['message' => __('Something went wrong!')], 404);
        }
    }
}