package web

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

func TestHealthz(t *testing.T) {
	response := httptest.NewRecorder()
	NewHandler().ServeHTTP(response, httptest.NewRequest(http.MethodGet, "/healthz", nil))
	if response.Code != http.StatusOK || response.Body.String() != "ok\n" {
		t.Errorf("healthz: status=%d body=%q", response.Code, response.Body.String())
	}
}

func TestPagesAndEmbeddedAssets(t *testing.T) {
	handler := NewHandler()
	for _, tt := range []struct{ path, title string }{
		{"/", "新着"}, {"/queue", "待ち行列"}, {"/subscriptions", "登録番組"}, {"/library", "ライブラリ"},
	} {
		t.Run(tt.path, func(t *testing.T) {
			response := httptest.NewRecorder()
			handler.ServeHTTP(response, httptest.NewRequest(http.MethodGet, tt.path, nil))
			body := response.Body.String()
			if response.Code != http.StatusOK || !strings.Contains(response.Header().Get("Content-Type"), "text/html") {
				t.Fatalf("status=%d Content-Type=%q", response.Code, response.Header().Get("Content-Type"))
			}
			for _, want := range []string{"<h1>" + tt.title + "</h1>", "新着", "待ち行列", "登録番組", "ライブラリ", `hx-boost="true"`, "/static/htmx-2.0.11.min.js"} {
				if !strings.Contains(body, want) {
					t.Errorf("page missing %q", want)
				}
			}
		})
	}
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, httptest.NewRequest(http.MethodGet, "/static/htmx-2.0.11.min.js", nil))
	if response.Code != http.StatusOK || !strings.Contains(response.Header().Get("Content-Type"), "javascript") || response.Body.Len() < 1000 || !strings.Contains(response.Body.String(), "htmx") {
		t.Errorf("embedded htmx: status=%d Content-Type=%q bytes=%d", response.Code, response.Header().Get("Content-Type"), response.Body.Len())
	}
}

func TestUnknownPathsAndMethods(t *testing.T) {
	handler := NewHandler()
	for _, tt := range []struct {
		name, method, path string
		wantStatus         int
	}{
		{"unknown page", http.MethodGet, "/missing", http.StatusNotFound},
		{"root prefix", http.MethodGet, "/missing/nested", http.StatusNotFound},
		{"missing static asset", http.MethodGet, "/static/missing.js", http.StatusNotFound},
		{"unsupported page method", http.MethodPost, "/queue", http.StatusMethodNotAllowed},
	} {
		t.Run(tt.name, func(t *testing.T) {
			response := httptest.NewRecorder()
			handler.ServeHTTP(response, httptest.NewRequest(tt.method, tt.path, nil))
			if response.Code != tt.wantStatus {
				t.Errorf("%s %s: status=%d; want %d", tt.method, tt.path, response.Code, tt.wantStatus)
			}
		})
	}
}