package main

import (
	"io"
	"net"
	"path/filepath"
	"strings"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestClientEndsWhenTheDaemonEnds(t *testing.T) {
	dir := t.TempDir()
	listener, err := daemonListenSocket(filepath.Join(dir, socketFileName))
	require.NoError(t, err)

	accepted := make(chan net.Conn)
	go func() {
		conn, err := listener.Accept()
		if err == nil {
			accepted <- conn
		}
	}()

	conn, err := net.Dial("unix", filepath.Join(dir, socketFileName))
	require.NoError(t, err)

	in, _ := io.Pipe()
	done := make(chan error)
	go func() {
		done <- terminalSession(t.Context(), conn, in, io.Discard)
	}()

	require.NoError(t, (<-accepted).Close())
	require.ErrorIs(t, <-done, errTerminalDaemonClosed)
	require.NoError(t, listener.Close())
}

func TestEventText(t *testing.T) {
	testCases := []struct {
		name  string
		event Event
		text  string
	}{
		{
			name:  "reply as it is",
			event: Event{Kind: "reply", Text: "Done."},
			text:  "Done.",
		},
		{
			name:  "own user message not shown",
			event: Event{Kind: "user", Text: "typed", Source: terminalSource},
			text:  "",
		},
		{
			name:  "user message of another source marked",
			event: Event{Kind: "user", Text: "from the phone", Source: "telegram"},
			text:  "[telegram] from the phone",
		},
		{
			name:  "long result cut",
			event: Event{Kind: "echo", Text: strings.Repeat("line\n", 12)},
			text:  "[result] " + strings.Repeat("line\n", 9) + "line\n[2 more lines]",
		},
	}

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			require.Equal(t, tc.text, terminalEventText(tc.event))
		})
	}
}