package netflix

import (
	"bytes"
	"context"
	"io"
	"net/http"
	"strings"
	"testing"

	"git.pengzhan.dev/haopengzhan/hireme/internal/crawler/crawlertest"
)

type roundTripFunc func(req *http.Request) *http.Response

func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
	return f(req), nil
}

func TestNetflixCrawler_DiscoverAndFetch(t *testing.T) {
	mockClient := &http.Client{
		Transport: roundTripFunc(func(r *http.Request) *http.Response {
			if strings.Contains(r.URL.Path, "/api/search") {
				body := `{
					"records": {
						"total": 1,
						"postings": [
							{
								"id": 8192301,
								"external_id": "8192301",
								"text": "Senior Software Engineer - Cloud Platform",
								"location": "Seattle, WA, United States"
							}
						]
					}
				}`
				return &http.Response{
					StatusCode: http.StatusOK,
					Body:       io.NopCloser(bytes.NewBufferString(body)),
					Header:     make(http.Header),
				}
			}

			if strings.Contains(r.URL.Path, "/postings/8192301") {
				body := `{
					"id": 8192301,
					"external_id": "8192301",
					"text": "Senior Software Engineer - Cloud Platform",
					"description": "<p>We are looking for senior engineers to evolve Netflix telemetry and control planes.</p>",
					"location": "Seattle, WA, United States"
				}`
				return &http.Response{
					StatusCode: http.StatusOK,
					Body:       io.NopCloser(bytes.NewBufferString(body)),
					Header:     make(http.Header),
				}
			}

			return &http.Response{
				StatusCode: http.StatusNotFound,
				Body:       io.NopCloser(bytes.NewBufferString("not found")),
				Header:     make(http.Header),
			}
		}),
	}

	c := NewNetflixCrawlerWithClient(mockClient)
	if !c.CanHandle("netflix") {
		t.Errorf("CanHandle should support netflix")
	}

	discovered, err := c.DiscoverJobs(context.Background(), "https://jobs.netflix.com/api/search?q=Software+Engineer")
	if err != nil {
		t.Fatalf("DiscoverJobs failed: %v", err)
	}

	if len(discovered) != 1 {
		t.Fatalf("expected 1 discovered job, got %d", len(discovered))
	}

	if discovered[0].CanonicalID != "netflix:8192301" {
		t.Errorf("unexpected canonical ID: %s", discovered[0].CanonicalID)
	}

	extracted, err := c.FetchJobDetail(context.Background(), "https://jobs.netflix.com/jobs/8192301")
	if err != nil {
		t.Fatalf("FetchJobDetail failed: %v", err)
	}

	if extracted.Title != "Senior Software Engineer - Cloud Platform" {
		t.Errorf("unexpected title: %s", extracted.Title)
	}
	if extracted.Company != "Netflix" {
		t.Errorf("unexpected company: %s", extracted.Company)
	}
	if extracted.Location != "Seattle, WA, United States" {
		t.Errorf("unexpected location: %s", extracted.Location)
	}
}

func TestNetflixCrawler_LiveIntegration(t *testing.T) {
	crawlertest.RunLiveIntegration(t, crawlertest.LiveTestConfig{
		PlatformName:            "Netflix",
		Crawler:                 NewNetflixCrawler(),
		TargetURL:               "https://jobs.netflix.com/api/search?q=Software+Engineer",
		ExpectedCanonicalPrefix: "netflix:",
		ExpectedCompany:         "Netflix",
	})
}