package api

import (
	"encoding/json"
	"net/http"
	"testing"

	"git.avsdev.uk/Go/job-search/internal/types"
)

// The classifications the opportunities have are listed once each, by code.
func TestListClassifications(t *testing.T) {
	url := opportunitiesServer(t, 3)

	var classifications []types.ClassificationCode
	status := request(t, "GET", url+"/classifications", &classifications)
	if status != http.StatusOK {
		t.Fatalf("status %d", status)
	}
	if len(classifications) != 2 ||
		classifications[0].Code != "03000000" ||
		classifications[1].Code != "72000000" ||
		classifications[0].ID == 0 {
		t.Errorf("got %+v; want 03000000 then 72000000, with ids", classifications)
	}
}

// With no opportunities, the list is [] in JSON, not null.
func TestListClassificationsEmpty(t *testing.T) {
	url := opportunitiesServer(t, 0)
	res, err := http.Get(url + "/classifications")
	if err != nil {
		t.Fatal(err)
	}
	defer res.Body.Close()
	var raw json.RawMessage
	json.NewDecoder(res.Body).Decode(&raw)
	if string(raw) != "[]" {
		t.Errorf("body = %s; want []", raw)
	}
}