<?php

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

return new class extends Migration
{
    public function up(): void
    {
        // 任务分类（跑腿/代取/租借等，后台可管理）
        if (! Schema::hasTable('task_categories')) {
            Schema::create('task_categories', function (Blueprint $table) {
                $table->id();
                $table->string('name', 50)->comment('分类名称');
                $table->string('slug', 50)->comment('标识:errand=跑腿,pickup=代取,rental=租借');
                $table->string('description', 255)->default('')->comment('描述');
                $table->string('icon', 255)->default('')->comment('图标');
                $table->json('form_schema')->nullable()->comment('分类特有字段模板，前端据此动态渲染表单');
                $table->integer('sort')->default(0)->comment('排序');
                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常');
                $table->timestamps();
                $table->unique('slug');
                $table->comment('任务分类');
            });
        }

        // 任务订单（跑腿/代取/租借统一，分类特有字段存 extra）
        if (! Schema::hasTable('task_orders')) {
            Schema::create('task_orders', function (Blueprint $table) {
                $table->id();
                $table->string('order_no', 32)->comment('订单编号');
                $table->unsignedInteger('user_id')->comment('发布用户ID');
                $table->unsignedInteger('runner_id')->nullable()->comment('接单用户ID');
                $table->unsignedBigInteger('category_id')->comment('任务分类ID');
                $table->string('title', 100)->comment('任务标题');
                $table->text('description')->nullable()->comment('任务描述');
                $table->json('images')->nullable()->comment('图片列表');
                $table->json('extra')->nullable()->comment('分类特有字段:跑腿{取件地址,送达地址},代取{取件地点,取件码},租借{押金,租借天数}');
                $table->decimal('price', 10, 2)->default(0)->comment('任务报酬');
                $table->string('address', 255)->default('')->comment('任务地址');
                $table->string('contact_name', 30)->default('')->comment('联系人');
                $table->string('contact_mobile', 20)->default('')->comment('联系电话');
                $table->timestamp('deadline')->nullable()->comment('截止时间');

                // 支付信息（创建订单时支付）
                $table->tinyInteger('pay_type')->default(0)->comment('支付方式:0=余额,1=微信支付');
                $table->tinyInteger('pay_status')->default(0)->comment('支付状态:0=待支付,1=已支付,2=退款中,3=已退款');
                $table->timestamp('paid_at')->nullable()->comment('支付时间');

                // 订单状态流转
                $table->tinyInteger('status')->default(0)->comment('状态:0=待接单,1=已接单,2=进行中,3=已完成,4=已取消');
                $table->string('cancel_reason', 255)->default('')->comment('取消原因');
                $table->string('remark', 500)->default('')->comment('订单备注');
                $table->timestamp('accepted_at')->nullable()->comment('接单时间');
                $table->timestamp('completed_at')->nullable()->comment('完成时间');
                $table->timestamp('cancelled_at')->nullable()->comment('取消时间');

                $table->timestamps();
                $table->softDeletes();
                $table->unique('order_no');
                $table->index('user_id');
                $table->index('runner_id');
                $table->index('category_id');
                $table->index('status');
                $table->index('pay_status');
                $table->comment('校园任务订单');
            });
        }

        // 接单记录/竞价（用户对任务报价或申请接单）
        if (! Schema::hasTable('task_bids')) {
            Schema::create('task_bids', function (Blueprint $table) {
                $table->id();
                $table->unsignedBigInteger('task_id')->comment('任务订单ID');
                $table->unsignedInteger('user_id')->comment('接单人ID');
                $table->decimal('price', 10, 2)->default(0)->comment('报价（等于任务价即为直接接单）');
                $table->string('message', 500)->default('')->comment('申请留言/自我介绍');
                $table->tinyInteger('status')->default(0)->comment('状态:0=待确认,1=已接受,2=已拒绝');
                $table->timestamp('accepted_at')->nullable()->comment('接受时间');
                $table->timestamps();
                $table->index('task_id');
                $table->index('user_id');
                $table->unique(['task_id', 'user_id'], 'uk_task_user');
                $table->comment('任务接单/竞价记录');
            });
        }

        // 任务支付日志（支付成功后写入，关联三方支付流水）
        if (! Schema::hasTable('task_payments')) {
            Schema::create('task_payments', function (Blueprint $table) {
                $table->id();
                $table->string('payment_no', 32)->comment('支付日志编号');
                $table->unsignedBigInteger('order_id')->comment('任务订单ID');
                $table->unsignedInteger('user_id')->comment('支付用户ID');
                $table->unsignedBigInteger('payment_transaction_id')->nullable()->comment('三方支付流水ID');
                $table->decimal('amount', 10, 2)->comment('支付金额');
                $table->tinyInteger('pay_type')->comment('支付方式:0=余额,1=微信支付');
                $table->tinyInteger('status')->default(0)->comment('状态:0=待支付,1=已支付,2=已退款');
                $table->timestamp('paid_at')->nullable()->comment('支付时间');
                $table->timestamp('refund_at')->nullable()->comment('退款时间');
                $table->timestamps();
                $table->unique('payment_no');
                $table->index('order_id');
                $table->index('user_id');
                $table->index('payment_transaction_id');
                $table->index('status');
                $table->comment('任务支付日志');
            });
        }
    }

    public function down(): void
    {
        Schema::dropIfExists('task_payments');
        Schema::dropIfExists('task_bids');
        Schema::dropIfExists('task_orders');
        Schema::dropIfExists('task_categories');
    }
};