package service_test

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

	"gitea.dwysokinski.me/Kichiyaki/notificationarr/internal/domain"

	"gitea.dwysokinski.me/Kichiyaki/notificationarr/internal/service"
	"github.com/stretchr/testify/assert"
)

func TestNtfy_Publish(t *testing.T) {
	t.Parallel()

	t.Run("OK", func(t *testing.T) {
		tests := []struct {
			name     string
			topic    string
			title    string
			message  string
			username string
			password string
		}{
			{
				name:     "without authorization",
				topic:    "topicc",
				title:    "title",
				message:  "msg",
				username: "",
				password: "",
			},
			{
				name:     "with authorization",
				topic:    "topicc",
				title:    "title",
				message:  "msg",
				username: "uname",
				password: "pwd",
			},
		}

		for _, tt := range tests {
			tt := tt

			t.Run(tt.name, func(t *testing.T) {
				srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
					if r.URL.Path[1:] != tt.topic {
						w.WriteHeader(http.StatusNotFound)
						return
					}

					if r.Method != http.MethodPost {
						w.WriteHeader(http.StatusMethodNotAllowed)
						return
					}

					if r.Header.Get("Title") != tt.title {
						w.WriteHeader(http.StatusBadRequest)
						_, _ = w.Write([]byte("invalid title"))
						return
					}

					if uname, pwd, _ := r.BasicAuth(); uname != tt.username || pwd != tt.password {
						w.WriteHeader(http.StatusBadRequest)
						_, _ = w.Write([]byte("invalid username or password"))
						return
					}

					w.WriteHeader(http.StatusOK)
				}))
				defer srv.Close()

				err := service.NewNtfy(srv.Client(), srv.URL, tt.topic, tt.username, tt.password).
					Publish(context.Background(), tt.title, tt.message)
				assert.NoError(t, err)
			})
		}
	})

	t.Run("ERR: status code != 200", func(t *testing.T) {
		t.Parallel()

		srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			w.WriteHeader(http.StatusNotImplemented)
		}))
		defer srv.Close()

		err := service.NewNtfy(srv.Client(), srv.URL, "topic", "", "").
			Publish(context.Background(), "title", "msg")
		assert.ErrorIs(t, err, domain.NewError(
			domain.WithCode(domain.ErrorCodeIO),
			domain.WithMessagef("ntfy returned unexpected status code: %d", http.StatusNotImplemented),
		))
	})
}