package bls

import (
	"context"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
)

const sampleResp = `{"status":"REQUEST_SUCCEEDED","responseTime":1,"message":[],"Results":{"series":[
  {"seriesID":"OEUS150000000000015121204","data":[{"year":"2025","period":"A01","periodName":"Annual","value":"122660"}]},
  {"seriesID":"OEUS350000000000015121204","data":[{"year":"2025","period":"A01","periodName":"Annual","value":"142450"}]}
]}}`

func TestFetchLatestMapsValues(t *testing.T) {
	var gotKey, gotLatest bool
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		body := make([]byte, r.ContentLength)
		_, _ = r.Body.Read(body)
		s := string(body)
		gotKey = strings.Contains(s, "registrationKey")
		gotLatest = strings.Contains(s, "\"latest\":true")
		_, _ = w.Write([]byte(sampleResp))
	}))
	defer srv.Close()

	c := New("secret", srv.URL)
	out, err := c.FetchLatest(context.Background(), []string{"OEUS150000000000015121204", "OEUS350000000000015121204"})
	if err != nil {
		t.Fatalf("fetch: %v", err)
	}
	if !gotKey || !gotLatest {
		t.Fatalf("request must send registrationKey and latest: key=%v latest=%v", gotKey, gotLatest)
	}
	if len(out) != 2 || out[0].Value != "122660" || out[0].Year != "2025" {
		t.Fatalf("values mapped wrong: %+v", out)
	}
}

func TestFetchLatestThreshold(t *testing.T) {
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
		_, _ = w.Write([]byte(`{"status":"REQUEST_NOT_PROCESSED","message":["You have exceeded the daily threshold of requests."]}`))
	}))
	defer srv.Close()
	c := New("k", srv.URL)
	if _, err := c.FetchLatest(context.Background(), []string{"X"}); err != ErrThrottled {
		t.Fatalf("threshold message must map to ErrThrottled, got %v", err)
	}
}

func TestGalapagosSeriesShape(t *testing.T) {
	specs := GalapagosSeries()
	// 5 occupations x 2 areas x 2 metrics
	if len(specs) != 20 {
		t.Fatalf("want 20 series specs, got %d", len(specs))
	}
	if specs[0].SeriesID != "OEUS150000000000015121204" {
		t.Fatalf("first series id wrong: %s", specs[0].SeriesID)
	}
}