package httpapi

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

func TestEndpoints(t *testing.T) {
	for _, tc := range []struct{ path, key, value string }{
		{"/health", "status", "ok"},
		{"/api/test", "message", "API connection successful"},
	} {
		t.Run(tc.path, func(t *testing.T) {
			response := httptest.NewRecorder()
			NewRouter().ServeHTTP(response, httptest.NewRequest(http.MethodGet, tc.path, nil))
			if response.Code != http.StatusOK {
				t.Fatalf("status = %d", response.Code)
			}
			if got := response.Header().Get("Content-Type"); got != "application/json" {
				t.Fatalf("content type = %q", got)
			}
			var body map[string]string
			if err := json.Unmarshal(response.Body.Bytes(), &body); err != nil {
				t.Fatal(err)
			}
			if body[tc.key] != tc.value {
				t.Fatalf("body = %v", body)
			}
		})
	}
}

func TestRoutingErrors(t *testing.T) {
	for _, tc := range []struct {
		method, path string
		status       int
	}{
		{http.MethodPost, "/api/test", http.StatusMethodNotAllowed},
		{http.MethodGet, "/missing", http.StatusNotFound},
	} {
		response := httptest.NewRecorder()
		NewRouter().ServeHTTP(response, httptest.NewRequest(tc.method, tc.path, nil))
		if response.Code != tc.status {
			t.Fatalf("%s %s: status = %d", tc.method, tc.path, response.Code)
		}
	}
}