<?php

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

/**
 * 代理域名池：总后台维护可用域名，查看哪些在使用、绑定到哪个代理。
 * - agent_domain_pool：按主机名 host 唯一；type 为 pc / h5 / 空（通用）；status 1 启用、0 停用（停用后不能再绑定）；
 * - 导入已有的代理绑定域名（agent_domains）；
 * - 菜单 agentDomainPool（挂在「代理充值记录」同一父菜单下）和新增 / 修改 / 删除按钮。
 */
return new class extends Migration {
    private const BUTTONS = [
        'admin/agent/domain-pool/create' => '代理域名池-新增',
        'admin/agent/domain-pool/update' => '代理域名池-修改',
        'admin/agent/domain-pool/delete' => '代理域名池-删除',
    ];

    public function up(): void
    {
        if (!Schema::hasTable('agent_domain_pool')) {
            Schema::create('agent_domain_pool', function (Blueprint $t) {
                $t->id();
                $t->string('domain', 255)->comment('域名或完整地址，原样保存');
                $t->string('host', 255)->unique()->comment('主机名（小写），用于唯一和匹配绑定');
                $t->string('type', 16)->default('')->comment('pc / h5 / 空=通用');
                $t->unsignedTinyInteger('status')->default(1)->comment('1 启用 0 停用');
                $t->string('remark', 255)->default('');
                $t->unsignedBigInteger('created_by')->nullable();
                $t->timestamps();
                $t->index(['status', 'type']);
            });
        }
        if (Schema::hasTable('agent_domains')) {
            $now = date('Y-m-d H:i:s');
            foreach (DB::table('agent_domains')->orderBy('id')->get(['domain', 'host', 'type']) as $row) {
                if ($row->host === '' || DB::table('agent_domain_pool')->where('host', $row->host)->exists()) continue;
                DB::table('agent_domain_pool')->insert(['domain' => $row->domain, 'host' => $row->host, 'type' => (string) $row->type,
                    'status' => 1, 'remark' => '', 'created_at' => $now, 'updated_at' => $now]);
            }
        }
        $this->menus();
    }

    private function menus(): void
    {
        if (!Schema::hasTable('menus')) return;
        $now = date('Y-m-d H:i:s');
        $parentId = (int) DB::table('menus')->where('uri', 'agentRecharges')->where('type', 1)->value('parent_id');
        $menuId = DB::table('menus')->where('uri', 'agentDomainPool')->where('type', 1)->value('id');
        if (!$menuId) {
            $menuId = DB::table('menus')->insertGetId([
                'parent_id' => $parentId, 'title' => '代理域名管理', 'icon' => null, 'uri' => 'agentDomainPool',
                'permission_name' => 'agent.agentDomainPool', 'sort' => 25, 'status' => 1, 'type' => 1,
                'created_at' => $now, 'updated_at' => $now,
            ]);
        }
        $sort = 0;
        foreach (self::BUTTONS as $uri => $title) {
            if (!DB::table('menus')->where('uri', $uri)->exists()) {
                DB::table('menus')->insert(['parent_id' => $menuId, 'title' => $title, 'icon' => null, 'uri' => $uri,
                    'permission_name' => str_replace('/', '.', $uri), 'sort' => $sort, 'status' => 1, 'type' => 2,
                    'created_at' => $now, 'updated_at' => $now]);
            }
            $sort++;
        }
    }

    public function down(): void
    {
        if (Schema::hasTable('menus')) {
            $ids = DB::table('menus')->whereIn('uri', array_merge(['agentDomainPool'], array_keys(self::BUTTONS)))->pluck('id');
            if (Schema::hasTable('role_menu')) DB::table('role_menu')->whereIn('menu_id', $ids)->delete();
            DB::table('menus')->whereIn('id', $ids)->delete();
        }
        Schema::dropIfExists('agent_domain_pool');
    }
};