<?php

namespace App\Services\Admin\HR;

use App\Models\User;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Support\Facades\DB;

class EmployeeService
{
    public function getAll(): Collection
    {
        return User::select('id', 'email', 'username', 'is_active')
            ->whereHas('employee')
            ->with([
                'userProfile' => fn ($q) => $q->select('id', 'user_id', 'full_name', 'phone_number'),
                'employee' => fn ($q) => $q->select('id', 'user_id', 'join_date', 'employment_status', 'base_salary'),
            ])
            ->latest()
            ->get();
    }

    public function getById(int $id): User
    {
        return User::with(['userProfile', 'employee'])->findOrFail($id);
    }

    public function create(array $data): User
    {
        return DB::transaction(function () use ($data) {
            $user = User::create([
                'email' => $data['email'],
                'username' => $data['username'],
                'password' => config('auth.password_default'),
                'is_active' => true,
            ]);

            $user->userProfile()->create([
                'full_name' => $data['full_name'],
                'phone_number' => $data['phone_number'] ?? null,
                'gender' => $data['gender'] ?? null,
                'birth_date' => $data['birth_date'] ?? null,
                'address' => $data['address'] ?? null,
            ]);

            $user->employee()->create([
                'join_date' => $data['join_date'],
                'resign_date' => $data['resign_date'] ?? null,
                'employment_status' => $data['employment_status'],
                'base_salary' => $data['base_salary'],
            ]);

            return $user;
        });
    }

    public function update(User $user, array $data): User
    {
        DB::transaction(function () use ($user, $data) {
            $user->update([
                'email' => $data['email'],
                'username' => $data['username'],
            ]);

            $user->userProfile()->updateOrCreate([], [
                'full_name' => $data['full_name'],
                'phone_number' => $data['phone_number'] ?? null,
                'gender' => $data['gender'] ?? null,
                'birth_date' => $data['birth_date'] ?? null,
                'address' => $data['address'] ?? null,
            ]);

            $user->employee()->updateOrCreate([], [
                'join_date' => $data['join_date'],
                'resign_date' => $data['resign_date'] ?? null,
                'employment_status' => $data['employment_status'],
                'base_salary' => $data['base_salary'],
            ]);
        });

        return $user->fresh(['userProfile', 'employee']);
    }

    public function delete(User $user): bool
    {
        return DB::transaction(function () use ($user) {
            $user->employee()->delete();
            $user->userProfile()->delete();

            return $user->delete();
        });
    }

    public function toggleActive(User $user): User
    {
        $user->update(['is_active' => ! $user->is_active]);

        return $user;
    }

    public function resetPassword(User $user): User
    {
        $defaultPassword = config('auth.password_default');
        $user->update(['password' => $defaultPassword]);

        return $user;
    }
}