<?php

namespace Tests\Feature;

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

class AdminPlanShowTest 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_platform_admin_can_open_plan_show_page(): void
    {
        $this->loginAsPlatformAdmin();

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

        $plan = Plan::query()->create([
            'code' => 'plan_show_test',
            'name' => '套餐详情测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 99,
            'list_price' => 199,
            'status' => 'active',
            'sort' => 10,
            'description' => '用于验证套餐详情页',
            'published_at' => now(),
        ]);

        $subscription = SiteSubscription::query()->create([
            'merchant_id' => $merchant->id,
            'plan_id' => $plan->id,
            'status' => 'activated',
            'source' => 'manual',
            'subscription_no' => 'SUB_PLAN_SHOW_0001',
            'plan_name' => $plan->name,
            'billing_cycle' => $plan->billing_cycle,
            'period_months' => 1,
            'amount' => 99,
            'starts_at' => now()->subDay(),
            'ends_at' => now()->addDays(5),
            'activated_at' => now()->subDay(),
        ]);

        PlatformOrder::query()->create([
            'merchant_id' => $merchant->id,
            'plan_id' => $plan->id,
            'site_subscription_id' => $subscription->id,
            'order_no' => 'PO_PLAN_SHOW_0001',
            'order_type' => 'renewal',
            'status' => 'activated',
            'payment_status' => 'paid',
            'plan_name' => $plan->name,
            'billing_cycle' => $plan->billing_cycle,
            'period_months' => 1,
            'quantity' => 1,
            'list_amount' => 99,
            'discount_amount' => 0,
            'payable_amount' => 99,
            'paid_amount' => 99,
            'placed_at' => now()->subHour(),
            'paid_at' => now()->subMinutes(50),
            'activated_at' => now()->subMinutes(40),
            'meta' => [],
        ]);

        $res = $this->get('/admin/plans/' . $plan->id);
        $res->assertOk()
            ->assertSee('套餐详情')
            ->assertSee('套餐详情测试套餐')
            ->assertSee('查看已付无回执订单')
            ->assertSee('查看续费缺订阅订单');
    }

    public function test_guest_cannot_open_plan_show_page(): void
    {
        $plan = Plan::query()->create([
            'code' => 'plan_show_guest_test',
            'name' => '游客不可见套餐',
            'billing_cycle' => 'monthly',
            'price' => 10,
            'list_price' => 10,
            'status' => 'active',
            'sort' => 10,
        ]);

        $this->get('/admin/plans/' . $plan->id)->assertRedirect('/admin/login');
    }

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

        $plan = Plan::query()->create([
            'code' => 'plan_show_back_test',
            'name' => '套餐详情 back 测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 88,
            'list_price' => 108,
            'status' => 'active',
            'sort' => 10,
            'published_at' => now(),
        ]);

        $res = $this->get('/admin/plans/' . $plan->id);
        $res->assertOk();

        $back = '/admin/plans/' . $plan->id;

        $expectedSubscriptionUrl = '/admin/site-subscriptions?' . Arr::query([
            'plan_id' => $plan->id,
            'back' => $back,
        ]);

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

        $expectedPaidNoReceiptUrl = '/admin/platform-orders?' . Arr::query([
            'plan_id' => $plan->id,
            'payment_status' => 'paid',
            'receipt_status' => 'none',
            'back' => $back,
        ]);

        $expectedRenewalMissingUrl = '/admin/platform-orders?' . Arr::query([
            'plan_id' => $plan->id,
            'renewal_missing_subscription' => '1',
            'back' => $back,
        ]);

        $res->assertSee($expectedSubscriptionUrl, false);
        $res->assertSee($expectedOrderUrl, false);
        $res->assertSee($expectedPaidNoReceiptUrl, false);
        $res->assertSee($expectedRenewalMissingUrl, false);
    }

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

        $plan = Plan::query()->create([
            'code' => 'plan_index_show_link_test',
            'name' => '套餐列表详情入口测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 18,
            'list_price' => 18,
            'status' => 'active',
            'sort' => 10,
        ]);

        $res = $this->get('/admin/plans?status=active&back=' . urlencode('/admin/platform-orders'));
        $res->assertOk();

        $expectedBack = '/admin/plans?' . Arr::query([
            'status' => 'active',
        ]);

        $expectedShowUrl = '/admin/plans/' . $plan->id . '?' . Arr::query([
            'back' => $expectedBack,
        ]);

        $res->assertSee($expectedShowUrl, false);
        $res->assertSee('查看详情');
    }

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

        $plan = Plan::query()->create([
            'code' => 'plan_show_unsafe_back_test',
            'name' => '套餐详情 unsafe back 测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 28,
            'list_price' => 38,
            'status' => 'active',
            'sort' => 10,
        ]);

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

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

        $res->assertDontSee('返回上一页（保留上下文）');
        $res->assertSee('/admin/plans', false);
        $res->assertDontSee('back=' . $unsafeBack, false);
    }

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

        $plan = Plan::query()->create([
            'code' => 'plan_show_safe_back_test',
            'name' => '套餐详情 safe back 测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 58,
            'list_price' => 68,
            'status' => 'active',
            'sort' => 10,
        ]);

        $safeBack = '/admin/plans?' . Arr::query([
            'status' => 'active',
            'keyword' => '治理',
        ]);

        $res = $this->get('/admin/plans/' . $plan->id . '?back=' . urlencode($safeBack));
        $res->assertOk();

        $res->assertSee('href="' . $safeBack . '"', false);
        $res->assertSee('返回上一页（保留上下文）');

        $planShowSelf = '/admin/plans/' . $plan->id;
        $expectedPaidNoReceiptUrl = '/admin/platform-orders?' . Arr::query([
            'plan_id' => $plan->id,
            'payment_status' => 'paid',
            'receipt_status' => 'none',
            'back' => $planShowSelf,
        ]);

        $res->assertSee($expectedPaidNoReceiptUrl, false);
        $res->assertDontSee('back=' . $safeBack, false);
    }

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

        $plan = Plan::query()->create([
            'code' => 'plan_show_header_cta_back_test',
            'name' => '套餐详情顶部动作回链测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 66,
            'list_price' => 88,
            'status' => 'active',
            'sort' => 10,
        ]);

        $safeBack = '/admin/plans?' . Arr::query([
            'status' => 'active',
            'billing_cycle' => 'monthly',
        ]);

        $res = $this->get('/admin/plans/' . $plan->id . '?back=' . urlencode($safeBack));
        $res->assertOk();

        $planShowSelf = '/admin/plans/' . $plan->id;
        $expectedEditUrl = '/admin/plans/' . $plan->id . '/edit?' . Arr::query([
            'back' => $planShowSelf,
        ]);
        $expectedCreateOrderUrl = '/admin/platform-orders/create?' . Arr::query([
            'plan_id' => $plan->id,
            'order_type' => 'new_purchase',
            'back' => $planShowSelf,
        ]);

        $res->assertSee($expectedEditUrl, false);
        $res->assertSee($expectedCreateOrderUrl, false);
        $res->assertDontSee('back=' . $safeBack, false);
    }

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

        $plan = Plan::query()->create([
            'code' => 'plan_show_governance_unsafe_back_test',
            'name' => '套餐详情治理入口 unsafe back 测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 76,
            'list_price' => 96,
            'status' => 'active',
            'sort' => 10,
        ]);

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

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

        $planShowSelf = '/admin/plans/' . $plan->id;

        $expectedOrdersUrl = '/admin/platform-orders?' . Arr::query([
            'plan_id' => $plan->id,
            'back' => $planShowSelf,
        ]);
        $expectedPaidNoReceiptUrl = '/admin/platform-orders?' . Arr::query([
            'plan_id' => $plan->id,
            'payment_status' => 'paid',
            'receipt_status' => 'none',
            'back' => $planShowSelf,
        ]);
        $expectedRenewalMissingUrl = '/admin/platform-orders?' . Arr::query([
            'plan_id' => $plan->id,
            'renewal_missing_subscription' => '1',
            'back' => $planShowSelf,
        ]);

        $res->assertSee($expectedOrdersUrl, false);
        $res->assertSee($expectedPaidNoReceiptUrl, false);
        $res->assertSee($expectedRenewalMissingUrl, false);
        $res->assertDontSee('back=' . $unsafeBack, false);
        $res->assertDontSee('back%3D', false);
    }

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

        $plan = Plan::query()->create([
            'code' => 'plan_show_subscription_governance_unsafe_back_test',
            'name' => '套餐详情订阅治理入口 unsafe back 测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 86,
            'list_price' => 106,
            'status' => 'active',
            'sort' => 10,
        ]);

        $unsafeBack = '/admin/plans?status=active&back=/admin/site-subscriptions';

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

        $planShowSelf = '/admin/plans/' . $plan->id;

        $expectedSubscriptionsUrl = '/admin/site-subscriptions?' . Arr::query([
            'plan_id' => $plan->id,
            'back' => $planShowSelf,
        ]);
        $expectedActivatedSubscriptionsUrl = '/admin/site-subscriptions?' . Arr::query([
            'plan_id' => $plan->id,
            'status' => 'activated',
            'back' => $planShowSelf,
        ]);
        $expectedExpiringSubscriptionsUrl = '/admin/site-subscriptions?' . Arr::query([
            'plan_id' => $plan->id,
            'expiry' => 'expiring_7d',
            'back' => $planShowSelf,
        ]);

        $res->assertSee($expectedSubscriptionsUrl, false);
        $res->assertSee($expectedActivatedSubscriptionsUrl, false);
        $res->assertSee($expectedExpiringSubscriptionsUrl, false);
        $res->assertDontSee('back=' . $unsafeBack, false);
        $res->assertDontSee('back%3D', false);
    }

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

        $plan = Plan::query()->create([
            'code' => 'plan_show_subscription_governance_safe_back_test',
            'name' => '套餐详情订阅治理入口 safe back 测试套餐',
            'billing_cycle' => 'monthly',
            'price' => 96,
            'list_price' => 126,
            'status' => 'active',
            'sort' => 10,
        ]);

        $safeBack = '/admin/plans?' . Arr::query([
            'status' => 'active',
            'keyword' => '订阅治理',
        ]);

        $res = $this->get('/admin/plans/' . $plan->id . '?back=' . urlencode($safeBack));
        $res->assertOk();

        $res->assertSee('href="' . $safeBack . '"', false);
        $res->assertSee('返回上一页（保留上下文）');

        $planShowSelf = '/admin/plans/' . $plan->id;

        $expectedSubscriptionsUrl = '/admin/site-subscriptions?' . Arr::query([
            'plan_id' => $plan->id,
            'back' => $planShowSelf,
        ]);
        $expectedExpiringSubscriptionsUrl = '/admin/site-subscriptions?' . Arr::query([
            'plan_id' => $plan->id,
            'expiry' => 'expiring_7d',
            'back' => $planShowSelf,
        ]);

        $res->assertSee($expectedSubscriptionsUrl, false);
        $res->assertSee($expectedExpiringSubscriptionsUrl, false);
        $res->assertDontSee('back=' . $safeBack, false);
    }
}