<?php

namespace App\Models;

// use Illuminate\Contracts\Auth\MustVerifyEmail;

use App\Helper\FileHelper;
use App\Helper\JSONResponse;
use App\Helper\Traits\Models\CanMultiOrderBy;
use App\Helper\Traits\Models\CanMultiSearch;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Hash;
use Laravel\Sanctum\HasApiTokens;

class User extends Authenticatable
{
    use HasApiTokens, HasFactory, Notifiable;
    use CanMultiSearch;
    use CanMultiOrderBy;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'name',
        'email',
        'password',
        'username',
        'is_active'
    ];

    /**
     * The attributes that should be hidden for serialization.
     *
     * @var array<int, string>
     */
    protected $hidden = [
        'password',
        'remember_token',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'email_verified_at' => 'datetime',
        'password' => 'hashed',
    ];

    public static function upsertFromRequest(Request $request) {
        $request->validate([
            'id' => 'nullable|integer|exists:App\Models\User,id',
            'name' => 'required|string',
            'username' => 'required|string',
            'email' => 'required|email',
            'password' => 'required_without:id|string|min:8',
            'is_active' => 'required_with:id|in:true,false',
        ], [
            'password' => ['required_with' => 'The password field is required.'],
            'is_active' => ['required_with' => 'The is active field is required.']
        ]);

        try {
            // try to upsert data
            DB::beginTransaction();
            $user = null;
            if(!$request->id) {
                $user = new User();
                $user->is_active = $request->is_active;
                $user->password = Hash::make($request->password);
            }
            else $user = User::findOrFail($request->id);

            $user->name = $request->email;
            $user->email = $request->email;
            $user->username = $request->username;
            $user->checkUniqueFieldBeforeExecuteDB();
            $user->save();

            // renew data;
            DB::commit();
            return JSONResponse::Success();
        } catch (\Throwable $th) {
            DB::rollBack();
            throw $th;
        }
    }

    public static function deleteFromRequest(Request $request) {
        $request->validate(['id' => 'required|integer|exists:App\Models\User,id']);
        try {
            DB::beginTransaction();
            $user = User::findOrFail($request->id);
            if($user->is_selected) throw new \Exception("Cannot delete video when 'is Selected' is true");

            $oldDbFile = $user->file;
            $user->delete();

            if($oldDbFile) self::deleteFile($oldDbFile);
            DB::commit();
            return JSONResponse::Success();
        } catch (\Throwable $th) {
            DB::rollBack();
            throw $th;
        }

    } 

    public static function changeStatusFromRequest(Request $request) {
        $request->validate(['id' => 'required|integer|exists:App\Models\User,id']);

        $user = User::findOrFail($request->id);
        $user->preventChangeForSelfUser($request->user());
        $user->is_active = !$user->is_active;
        $user->save();
        return JSONResponse::Success();
    }

    public function preventChangeForSelfUser(User $currentUser) {
        if($currentUser->id == $this->id) throw new \Exception("You cannot 'delete' / 'change status' your own user");
    }

    public function checkUniqueFieldBeforeExecuteDB() {
        // check email
        $isUsernameExist = User::where('username', $this->username)
            ->when($this->id, function(Builder $q, $userId) {
                $q->where('id', '!=', $userId);
            })->first();
        if($isUsernameExist) throw new \Exception("Username '" . $this->username . "' has already used by another user");

        // check email
        $isEmailExist = User::where('email', $this->email)
        ->when($this->id, function(Builder $q, $userId) {
            $q->where('id', '!=', $userId);
        })->first();
        if($isEmailExist) throw new \Exception("Email '" . $this->email . "' has already used by another user");
    }

    public static function changePasswordFromRequest(Request $request) {
        $request->validate([
            'id' => 'required|integer|exists:App\Models\User,id',
            'newPassword' => 'required|string|min:8',
            'confirmNewPassword' => 'required|string|min:8',
        ]);

        if($request->newPassword != $request->confirmNewPassword) {
            throw new \Exception("New Password & Confirm New Pasword are not same");
        }

        $user = User::findOrFail($request->id);
        $user->password = Hash::make($request->newPassword);
        $user->save();
        return JSONResponse::Success();
    }

    public function getObjSession($currentAccessToken) {
        return [
            'name' => $this->name,
            'username' => $this->username,
            'email' => $this->email,
            'token' => $currentAccessToken,
            'allowedFileExtension' => [
                    'video' => FileHelper::convertToStrJsValidation(FileHelper::$allowedVideoExtensions),
                    'apk' => FileHelper::convertToStrJsValidation(FileHelper::$allowedApkExtensions)
                ]
        ];
    }
}