<?php

namespace App\Http\Controllers\Api\V1;

use App\Helpers\ApiResponse;
use App\Http\Controllers\Controller;
use App\Models\Tenants\JournalEntry;
use App\Services\BarobillBankTransactionService;
use App\Services\JournalSyncService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

/**
 * 바로빌 은행 거래 API 컨트롤러 (React 연동용)
 *
 * MNG에서 동기화된 은행 거래 데이터를 React에서 조회/관리
 */
class BarobillBankTransactionController extends Controller
{
    public function __construct(
        protected BarobillBankTransactionService $service,
        protected JournalSyncService $journalSyncService,
    ) {}

    /**
     * 은행 거래 목록 조회
     */
    public function index(Request $request): JsonResponse
    {
        return ApiResponse::handle(function () use ($request) {
            $params = $request->validate([
                'start_date' => 'nullable|date',
                'end_date' => 'nullable|date|after_or_equal:start_date',
                'bank_account_num' => 'nullable|string|max:50',
                'search' => 'nullable|string|max:100',
                'per_page' => 'nullable|integer|min:1|max:100',
                'page' => 'nullable|integer|min:1',
            ]);

            return $this->service->index($params);
        }, __('message.fetched'));
    }

    /**
     * 계좌 목록 (필터용)
     */
    public function accounts(): JsonResponse
    {
        return ApiResponse::handle(function () {
            return $this->service->accounts();
        }, __('message.fetched'));
    }

    /**
     * 잔액 요약
     */
    public function balanceSummary(Request $request): JsonResponse
    {
        return ApiResponse::handle(function () use ($request) {
            $params = $request->validate([
                'date' => 'nullable|date',
            ]);

            return $this->service->balanceSummary($params);
        }, __('message.fetched'));
    }

    // =========================================================================
    // 분할 (Splits)
    // =========================================================================

    /**
     * 거래 분할 조회
     */
    public function getSplits(Request $request): JsonResponse
    {
        return ApiResponse::handle(function () use ($request) {
            $validated = $request->validate([
                'unique_key' => 'required|string|max:500',
            ]);

            return $this->service->getSplits($validated['unique_key']);
        }, __('message.fetched'));
    }

    /**
     * 거래 분할 저장
     */
    public function saveSplits(Request $request): JsonResponse
    {
        return ApiResponse::handle(function () use ($request) {
            $validated = $request->validate([
                'unique_key' => 'required|string|max:500',
                'items' => 'required|array|min:1',
                'items.*.split_amount' => 'required|numeric',
                'items.*.account_code' => 'nullable|string|max:20',
                'items.*.account_name' => 'nullable|string|max:100',
                'items.*.deduction_type' => 'nullable|string|max:20',
                'items.*.evidence_name' => 'nullable|string|max:100',
                'items.*.description' => 'nullable|string|max:500',
                'items.*.memo' => 'nullable|string|max:500',
                'items.*.bank_account_num' => 'nullable|string|max:50',
                'items.*.trans_dt' => 'nullable|string|max:20',
                'items.*.trans_date' => 'nullable|date',
                'items.*.original_deposit' => 'nullable|numeric',
                'items.*.original_withdraw' => 'nullable|numeric',
                'items.*.summary' => 'nullable|string|max:500',
            ]);

            return $this->service->saveSplits($validated['unique_key'], $validated['items']);
        }, __('message.created'));
    }

    /**
     * 거래 분할 삭제
     */
    public function deleteSplits(Request $request): JsonResponse
    {
        return ApiResponse::handle(function () use ($request) {
            $validated = $request->validate([
                'unique_key' => 'required|string|max:500',
            ]);

            return $this->service->deleteSplits($validated['unique_key']);
        }, __('message.deleted'));
    }

    // =========================================================================
    // 오버라이드 (Override)
    // =========================================================================

    /**
     * 적요/분류 오버라이드 저장
     */
    public function saveOverride(Request $request): JsonResponse
    {
        return ApiResponse::handle(function () use ($request) {
            $validated = $request->validate([
                'unique_key' => 'required|string|max:500',
                'modified_summary' => 'nullable|string|max:500',
                'modified_cast' => 'nullable|string|max:100',
            ]);

            return $this->service->saveOverride(
                $validated['unique_key'],
                $validated['modified_summary'] ?? null,
                $validated['modified_cast'] ?? null
            );
        }, __('message.updated'));
    }

    // =========================================================================
    // 수동 입력 (Manual)
    // =========================================================================

    /**
     * 수동 은행 거래 등록
     */
    public function storeManual(Request $request): JsonResponse
    {
        return ApiResponse::handle(function () use ($request) {
            $validated = $request->validate([
                'bank_account_num' => 'required|string|max:50',
                'bank_code' => 'nullable|string|max:10',
                'bank_name' => 'nullable|string|max:50',
                'trans_date' => 'required|date',
                'trans_time' => 'nullable|string|max:10',
                'trans_dt' => 'nullable|string|max:20',
                'deposit' => 'nullable|numeric|min:0',
                'withdraw' => 'nullable|numeric|min:0',
                'balance' => 'nullable|numeric',
                'summary' => 'nullable|string|max:500',
                'cast' => 'nullable|string|max:100',
                'memo' => 'nullable|string|max:500',
                'trans_office' => 'nullable|string|max:100',
                'account_code' => 'nullable|string|max:20',
                'account_name' => 'nullable|string|max:100',
                'client_code' => 'nullable|string|max:20',
                'client_name' => 'nullable|string|max:200',
            ]);

            return $this->service->storeManual($validated);
        }, __('message.created'));
    }

    /**
     * 수동 은행 거래 수정
     */
    public function updateManual(Request $request, int $id): JsonResponse
    {
        return ApiResponse::handle(function () use ($request, $id) {
            $validated = $request->validate([
                'deposit' => 'nullable|numeric|min:0',
                'withdraw' => 'nullable|numeric|min:0',
                'balance' => 'nullable|numeric',
                'summary' => 'nullable|string|max:500',
                'cast' => 'nullable|string|max:100',
                'memo' => 'nullable|string|max:500',
                'account_code' => 'nullable|string|max:20',
                'account_name' => 'nullable|string|max:100',
                'client_code' => 'nullable|string|max:20',
                'client_name' => 'nullable|string|max:200',
            ]);

            return $this->service->updateManual($id, $validated);
        }, __('message.updated'));
    }

    /**
     * 수동 은행 거래 삭제
     */
    public function destroyManual(int $id): JsonResponse
    {
        return ApiResponse::handle(function () use ($id) {
            return $this->service->destroyManual($id);
        }, __('message.deleted'));
    }

    // =========================================================================
    // 분개 (Journal Entries)
    // =========================================================================

    /**
     * 은행 거래 분개 조회
     */
    public function getJournalEntries(int $id): JsonResponse
    {
        return ApiResponse::handle(function () use ($id) {
            $sourceKey = "barobill_bank_{$id}";

            return $this->journalSyncService->getForSource(
                JournalEntry::SOURCE_BAROBILL_BANK,
                $sourceKey
            ) ?? ['items' => []];
        }, __('message.fetched'));
    }

    /**
     * 은행 거래 분개 저장
     */
    public function storeJournalEntries(Request $request, int $id): JsonResponse
    {
        return ApiResponse::handle(function () use ($request, $id) {
            $validated = $request->validate([
                'items' => 'required|array|min:1',
                'items.*.side' => 'required|in:debit,credit',
                'items.*.account_code' => 'required|string|max:20',
                'items.*.account_name' => 'nullable|string|max:100',
                'items.*.debit_amount' => 'required|integer|min:0',
                'items.*.credit_amount' => 'required|integer|min:0',
                'items.*.vendor_name' => 'nullable|string|max:200',
                'items.*.memo' => 'nullable|string|max:500',
            ]);

            $bankTx = \App\Models\Barobill\BarobillBankTransaction::find($id);
            if (! $bankTx) {
                throw new \Illuminate\Database\Eloquent\ModelNotFoundException;
            }

            $entryDate = $bankTx->trans_date ?? now()->format('Y-m-d');
            $sourceKey = "barobill_bank_{$id}";

            return $this->journalSyncService->saveForSource(
                JournalEntry::SOURCE_BAROBILL_BANK,
                $sourceKey,
                $entryDate,
                "바로빌 은행거래 분개 (#{$id})",
                $validated['items'],
            );
        }, __('message.created'));
    }

    /**
     * 은행 거래 분개 삭제
     */
    public function deleteJournalEntries(int $id): JsonResponse
    {
        return ApiResponse::handle(function () use ($id) {
            $sourceKey = "barobill_bank_{$id}";

            return $this->journalSyncService->deleteForSource(
                JournalEntry::SOURCE_BAROBILL_BANK,
                $sourceKey
            );
        }, __('message.deleted'));
    }
}