<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Validator;
use Illuminate\Validation\ValidationException;
use App\Models\User;


class AuthController extends Controller
{
    public function login(Request $request)
    {
        $credentials = $request->only('email', 'password');

        if (!Auth::attempt($credentials)) {
            return response()->json(['error' => 'Invalid credentials'], 401);
        }

        $user = Auth::user();

        if ($user->role !== 'customer') {
            return response()->json(['error' => 'Unauthorized'], 403);
        }

        $token = $user->createToken('portal_token')->plainTextToken;

        return response()->json([
            'token' => $token,
            'user'  => $user
        ]);
    }

    // Register API
    public function register(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'name' => 'required|string|max:255',
            'email' => 'required|string|email|max:255|unique:users',
            'password' => 'required|string|min:6|confirmed',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'errors' => $validator->errors(),
            ], 422);
        }

        $user = User::create([
            'name'     => $request->name,
            'email'    => $request->email,
            'password' => Hash::make($request->password),
        ]);

        $token = $user->createToken('api_token')->plainTextToken;

        return response()->json([
            'token' => $token,
            'user'  => $user,
        ]);
    }

    public function changepassword(Request $request) {
        $validator = Validator::make($request->all(), [
            'current_password' => 'required',
            'password' => 'required|min:8|confirmed',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'errors' => $validator->errors(),
            ], 422);
        }

        $user = User::find(auth()->id());
        //$user = $request->user();

        if (!Hash::check($request->current_password, $user->password)) {
            throw ValidationException::withMessages([
                'current_password' => ['The current password is incorrect.'],
            ]);
        }

        $user->forceFill([
            'password' => Hash::make($request->password),
        ])->save();

        return response()->json([
            'message' => 'Password updated successfully.',
        ]);
    }

    public function checkuser(Request $request) {
        $validator = Validator::make($request->all(), [
            'email' => 'required',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'errors' => $validator->errors(),
            ], 422);
        }

        $exists = User::where('email', $request->email)->exists();

        if ($exists) {
            return response()->json([
                'message' => 'success',
                'pass' => 1
            ]);
        } else {
            return response()->json([
                'message' => 'failed',
                'pass' => 0
            ]);
        }
    }

    public function generatepassword(Request $request) {
        $validator = Validator::make($request->all(), [
            'email' => 'required',
            'password' => 'required|min:8|confirmed',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'errors' => $validator->errors(),
            ], 422);
        }

        $user = User::where('email', $request->email)->first();
        
        $user->forceFill([
            'password' => Hash::make($request->password),
        ])->save();

        return response()->json([
            'message' => 'Password updated successfully.',
            'success'=>true
        ]);
    }
}