<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

/**
 * Creates Spatie permission tables if they don't already exist.
 * This migration is skipped automatically when the user has already
 * published and run Spatie's own permission migrations.
 */
return new class extends Migration
{
    public function up(): void
    {
        /** @var array{permissions: string, roles: string, model_has_permissions: string, model_has_roles: string, role_has_permissions: string} $tableNames */
        $tableNames = config('permission.table_names', [
            'permissions' => 'permissions',
            'roles' => 'roles',
            'model_has_permissions' => 'model_has_permissions',
            'model_has_roles' => 'model_has_roles',
            'role_has_permissions' => 'role_has_permissions',
        ]);

        if (! Schema::hasTable($tableNames['permissions'])) {
            Schema::create($tableNames['permissions'], function (Blueprint $table): void {
                $table->id();
                $table->string('name');
                $table->string('guard_name');
                $table->timestamps();
                $table->unique(['name', 'guard_name']);
            });
        }

        if (! Schema::hasTable($tableNames['roles'])) {
            Schema::create($tableNames['roles'], function (Blueprint $table): void {
                $table->id();
                $table->string('name');
                $table->string('guard_name');
                $table->timestamps();
                $table->unique(['name', 'guard_name']);
            });
        }

        if (! Schema::hasTable($tableNames['model_has_permissions'])) {
            Schema::create($tableNames['model_has_permissions'], function (Blueprint $table) use ($tableNames): void {
                $table->unsignedBigInteger('permission_id');
                $table->string('model_type');
                $table->unsignedBigInteger('model_id');
                $table->index(['model_id', 'model_type'], 'model_has_permissions_model_id_type_index');
                $table->foreign('permission_id')
                    ->references('id')
                    ->on($tableNames['permissions'])
                    ->cascadeOnDelete();
                $table->primary(
                    ['permission_id', 'model_id', 'model_type'],
                    'model_has_permissions_permission_model_type_primary',
                );
            });
        }

        if (! Schema::hasTable($tableNames['model_has_roles'])) {
            Schema::create($tableNames['model_has_roles'], function (Blueprint $table) use ($tableNames): void {
                $table->unsignedBigInteger('role_id');
                $table->string('model_type');
                $table->unsignedBigInteger('model_id');
                $table->index(['model_id', 'model_type'], 'model_has_roles_model_id_type_index');
                $table->foreign('role_id')
                    ->references('id')
                    ->on($tableNames['roles'])
                    ->cascadeOnDelete();
                $table->primary(
                    ['role_id', 'model_id', 'model_type'],
                    'model_has_roles_role_model_type_primary',
                );
            });
        }

        if (! Schema::hasTable($tableNames['role_has_permissions'])) {
            Schema::create($tableNames['role_has_permissions'], function (Blueprint $table) use ($tableNames): void {
                $table->unsignedBigInteger('permission_id');
                $table->unsignedBigInteger('role_id');
                $table->foreign('permission_id')
                    ->references('id')
                    ->on($tableNames['permissions'])
                    ->cascadeOnDelete();
                $table->foreign('role_id')
                    ->references('id')
                    ->on($tableNames['roles'])
                    ->cascadeOnDelete();
                $table->primary(
                    ['permission_id', 'role_id'],
                    'role_has_permissions_permission_id_role_id_primary',
                );
            });
        }
    }

    public function down(): void
    {
        /** @var array{permissions: string, roles: string, model_has_permissions: string, model_has_roles: string, role_has_permissions: string} $tableNames */
        $tableNames = config('permission.table_names', [
            'permissions' => 'permissions',
            'roles' => 'roles',
            'model_has_permissions' => 'model_has_permissions',
            'model_has_roles' => 'model_has_roles',
            'role_has_permissions' => 'role_has_permissions',
        ]);

        Schema::dropIfExists($tableNames['role_has_permissions']);
        Schema::dropIfExists($tableNames['model_has_roles']);
        Schema::dropIfExists($tableNames['model_has_permissions']);
        Schema::dropIfExists($tableNames['roles']);
        Schema::dropIfExists($tableNames['permissions']);
    }
};
