package app

import (
	"context"
	"net/http"
	"strings"
	"sync/atomic"
	"testing"
)

func TestHuangguoVideoStopsOnCloudflareBlock(t *testing.T) {
	var calls atomic.Int32
	d := rankingTestDownloader(t, func(request *http.Request) (*http.Response, error) {
		calls.Add(1)
		return rankingHTTPResponse(request, 403, "Cloudflare: Sorry, you have been blocked"), nil
	})
	items, err := d.fetchHuangguoVideoDramas(context.Background())
	if len(items) != 0 || err == nil || !strings.Contains(err.Error(), "Cloudflare 拒绝了当前请求") || calls.Load() != 1 {
		t.Fatal("blocked catalog lost its cause or repeated requests", err)
	}
}

func TestHuangguoAICatalogUsesAvailableCategoryAPIs(t *testing.T) {
	var APIs atomic.Int32
	d := rankingTestDownloader(t, func(request *http.Request) (*http.Response, error) {
		if strings.Contains(request.URL.Path, "/api/videos/category/") {
			APIs.Add(1)
			if !strings.Contains(request.URL.Path, "/category/ai-") {
				t.Error("HTML recommendation page was requested through a nonexistent category API")
			}
			return rankingHTTPResponse(request, 200, `{"data":{"items":[{"id":"123","title":"无图目录样本"}],"pagination":{"pages":1}}}`), nil
		}
		return rankingHTTPResponse(request, 200, "<html>local text fixture</html>"), nil
	})
	d.cfg.MaxPagesPerSort = 1
	items, err := d.fetchHuangguoAIDramas(context.Background())
	if err != nil || len(items) != 1 || APIs.Load() != 4 {
		t.Fatalf("catalog paths: items=%d APIs=%d error=%v", len(items), APIs.Load(), err)
	}
}

func TestHuangguoVideoValidListAllowsEmptyCategories(t *testing.T) {
	for _, validList := range []bool{true, false} {
		var calls atomic.Int32
		d := rankingTestDownloader(t, func(request *http.Request) (*http.Response, error) {
			calls.Add(1)
			body := "<main>当前分类暂无内容</main>"
			if validList && request.URL.RawQuery == "" {
				body = `<article class="video-card"><a href="/series/fixture01" title="纯文字目录样本">目录样本</a></article>`
			}
			return rankingHTTPResponse(request, 200, body), nil
		})
		items, err := d.fetchHuangguoVideoDramas(context.Background())
		if validList && (err != nil || len(items) != 1 || calls.Load() != 5) {
			t.Fatal("empty category rejected a valid catalog", err, len(items), calls.Load())
		}
		if !validList && (err == nil || len(items) != 0 || calls.Load() != 1) {
			t.Fatal("empty main response was reported as a successful catalog", err, len(items), calls.Load())
		}
	}
}