package api_test

import (
	"net/http"
	"testing"

	"sneak.berlin/go/simplexcalc/internal/simplex"
)

// TestChats: the chats are the bot's contacts, ordered by id, deleted
// ones marked, and the chat client is asked for the bot's user with a
// deadline.
func TestChats(t *testing.T) {
	t.Parallel()

	client := &fakeClient{contacts: []simplex.Contact{
		{ContactID: 3, Profile: simplex.Profile{DisplayName: "bob"}, Status: "deleted"},
		{ContactID: 2, Profile: simplex.Profile{DisplayName: "alice"}, Status: "active"},
	}}

	rec := request(t, newAPI(credential, client), http.MethodGet, chatsPath, bearer)

	want := `{"chats":[{"id":2,"display_name":"alice","contact_deleted":false},` +
		`{"id":3,"display_name":"bob","contact_deleted":true}]}` + "\n"
	if rec.Code != http.StatusOK || rec.Body.String() != want {
		t.Errorf("response = %d %q, want 200 %q", rec.Code, rec.Body.String(), want)
	}

	if got := rec.Header().Get("Content-Type"); got != "application/json" {
		t.Errorf("Content-Type = %q, want application/json", got)
	}

	if client.userID != 1 || !client.hadDeadline {
		t.Errorf("the chat client was asked for user %d, deadline %v; "+
			"want user 1 with a deadline", client.userID, client.hadDeadline)
	}
}

// TestNoChats: no contacts is an empty list, not null.
func TestNoChats(t *testing.T) {
	t.Parallel()

	rec := request(t, newAPI(credential, &fakeClient{}),
		http.MethodGet, chatsPath, bearer)

	want := `{"chats":[]}` + "\n"
	if rec.Code != http.StatusOK || rec.Body.String() != want {
		t.Errorf("response = %d %q, want 200 %q", rec.Code, rec.Body.String(), want)
	}
}

// TestChatsFailure: when the chat client fails, the response says so
// in a chosen sentence, never in the error's own text.
func TestChatsFailure(t *testing.T) {
	t.Parallel()

	rec := request(t, newAPI(credential, &fakeClient{contactsErr: errChat}),
		http.MethodGet, chatsPath, bearer)

	want := `{"error":"the chats could not be read"}` + "\n"
	if rec.Code != http.StatusInternalServerError || rec.Body.String() != want {
		t.Errorf("response = %d %q, want 500 %q", rec.Code, rec.Body.String(), want)
	}
}