<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Api\Controller;
use App\Loan;
use App\UsersWallet;
use App\AccountLog;
use Illuminate\Http\Request;
use App\Token;
use App\Users;
use Illuminate\Support\Facades\DB;

class LoanController extends Controller
{
    public function institution()
    {
        $name = DB::table('settings')->where('key', 'loan_institution')->value('value') ?? 'Global Finance';
        return $this->success(['institution' => $name]);
    }

    public function submit(Request $request)
    {
        $user_id = Token::getUserIdByToken(Token::getToken());
        $user = \App\Users::find($user_id);
        if (!$user) return $this->error('Please login first');

        $amount = $request->input('amount');
        $card_image = $request->input('card_image', '');
        $cardbm_image = $request->input('cardbm_image', '');
        $hand_image = $request->input('hand_image', '');

        if (!$amount || !is_numeric($amount) || $amount <= 0) {
            return $this->error('Please enter a valid amount');
        }
        if (!$card_image || !$cardbm_image || !$hand_image) {
            return $this->error('Please upload all required documents');
        }

        $pending = Loan::where('user_id', $user->id)->where('status', 0)->first();
        if ($pending) {
            return $this->error('You already have a pending loan application');
        }

        $institution = DB::table('settings')->where('key', 'loan_institution')->value('value') ?? 'Global Finance';

        Loan::create([
            'user_id' => $user->id,
            'amount' => $amount,
            'card_image' => $card_image,
            'cardbm_image' => $cardbm_image,
            'hand_image' => $hand_image,
            'institution' => $institution,
            'status' => 0,
            'create_time' => now(),
        ]);

        return $this->success('Loan application submitted successfully');
    }

    public function myLoans(Request $request)
    {
        $user_id = Token::getUserIdByToken(Token::getToken());
        $user = \App\Users::find($user_id);
        if (!$user) return $this->error('Please login first');

        $list = Loan::where('user_id', $user->id)->orderBy('id', 'desc')->limit(20)->get();
        $statusMap = ['0' => 'Pending', '1' => 'Approved', '2' => 'Rejected'];
        foreach ($list as $item) {
            $item->status_text = $statusMap[$item->status] ?? '';
        }
        return $this->success($list);
    }
}