<?php

namespace Tests\Feature;

use App\Models\Merchant;
use App\Models\Plan;
use App\Models\PlatformOrder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Arr;
use Tests\TestCase;

class AdminPlatformOrderShowIndexLinkKeepsContextTest extends TestCase
{
    use RefreshDatabase;

    protected function loginAsPlatformAdmin(): void
    {
        $this->seed();

        $this->post('/admin/login', [
            'email' => 'platform.admin@demo.local',
            'password' => 'Platform@123456',
        ])->assertRedirect('/admin');
    }

    public function test_show_page_index_link_should_contain_back_to_order_show(): void
    {
        $this->loginAsPlatformAdmin();

        $merchant = Merchant::query()->firstOrFail();

        $plan = Plan::query()->create([
            'code' => 'po_show_index_link_back_plan',
            'name' => '平台订单详情返回列表保留上下文测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 10,
            'list_price' => 10,
            'status' => 'active',
            'sort' => 10,
            'published_at' => now(),
        ]);

        $order = PlatformOrder::query()->create([
            'merchant_id' => $merchant->id,
            'plan_id' => $plan->id,
            'order_no' => 'PO_SHOW_INDEX_LINK_BACK_0001',
            'order_type' => 'new_purchase',
            'status' => 'pending',
            'payment_status' => 'unpaid',
            'plan_name' => $plan->name,
            'billing_cycle' => $plan->billing_cycle,
            'period_months' => 1,
            'quantity' => 1,
            'payable_amount' => 10,
            'paid_amount' => 0,
            'placed_at' => now(),
            'meta' => [],
        ]);

        $res = $this->get('/admin/platform-orders/' . $order->id);
        $res->assertOk();

        $back = '/admin/platform-orders/' . $order->id;

        $expectedIndexUrl = '/admin/platform-orders?' . Arr::query([
            'back' => $back,
        ]);

        $res->assertSee('返回平台订单列表（保留上下文）');
        $res->assertSee($expectedIndexUrl, false);

        // 明确 back 为空时，也应显示该按钮（作为兜底返回列表入口）
        $res2 = $this->get('/admin/platform-orders/' . $order->id . '?' . Arr::query([
            'back' => '',
        ]));
        $res2->assertOk();
        $res2->assertSee('返回平台订单列表（保留上下文）');

        // 当传入有效 back 时，应优先显示“返回上一页”并隐藏该兜底按钮（避免重复入口噪音）
        $res3 = $this->get('/admin/platform-orders/' . $order->id . '?' . Arr::query([
            'back' => '/admin',
        ]));
        $res3->assertOk();
        $res3->assertSee('← 返回上一页（保留上下文）');
        $res3->assertDontSee('返回平台订单列表（保留上下文）');
    }

    public function test_show_page_should_fall_back_to_platform_order_index_link_with_self_back_when_back_is_unsafe(): void
    {
        $this->loginAsPlatformAdmin();

        $merchant = Merchant::query()->firstOrFail();

        $plan = Plan::query()->create([
            'code' => 'po_show_index_link_unsafe_back_plan',
            'name' => '平台订单详情 unsafe back 兜底返回测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 10,
            'list_price' => 10,
            'status' => 'active',
            'sort' => 10,
            'published_at' => now(),
        ]);

        $order = PlatformOrder::query()->create([
            'merchant_id' => $merchant->id,
            'plan_id' => $plan->id,
            'order_no' => 'PO_SHOW_INDEX_LINK_UNSAFE_BACK_0001',
            'order_type' => 'new_purchase',
            'status' => 'pending',
            'payment_status' => 'unpaid',
            'plan_name' => $plan->name,
            'billing_cycle' => $plan->billing_cycle,
            'period_months' => 1,
            'quantity' => 1,
            'payable_amount' => 10,
            'paid_amount' => 0,
            'placed_at' => now(),
            'meta' => [],
        ]);

        $unsafeBack = '/admin/platform-orders?status=pending&back=/admin';

        $res = $this->get('/admin/platform-orders/' . $order->id . '?back=' . urlencode($unsafeBack));
        $res->assertOk();

        $expectedIndexUrl = '/admin/platform-orders?' . Arr::query([
            'back' => '/admin/platform-orders/' . $order->id,
        ]);

        $res->assertDontSee('← 返回上一页（保留上下文）');
        $res->assertSee('返回平台订单列表（保留上下文）');
        $res->assertSee($expectedIndexUrl, false);
        $res->assertDontSee('back=' . $unsafeBack, false);
    }
}