package main

import (
	"bytes"
	"strings"
	"testing"
)

func TestHelpFlag(t *testing.T) {
	var out, errb bytes.Buffer
	if code := run([]string{"-h"}, &out, &errb); code != 0 {
		t.Errorf("-h code=%d (stderr=%q)", code, errb.String())
	}
	if !strings.Contains(out.String(), "lectio-web") {
		t.Errorf("-h output missing lectio-web: %q", out.String())
	}
}

func TestHelpLongFlag(t *testing.T) {
	var out, errb bytes.Buffer
	if code := run([]string{"--help"}, &out, &errb); code != 0 {
		t.Errorf("--help code=%d (stderr=%q)", code, errb.String())
	}
	if !strings.Contains(out.String(), "lectio-web") {
		t.Errorf("--help output missing lectio-web: %q", out.String())
	}
}

func TestVersionFlag(t *testing.T) {
	var out, errb bytes.Buffer
	if code := run([]string{"-v"}, &out, &errb); code != 0 {
		t.Errorf("-v code=%d (stderr=%q)", code, errb.String())
	}
	if !strings.Contains(out.String(), "lectio-web") {
		t.Errorf("-v output missing lectio-web: %q", out.String())
	}
}

func TestVersionLongFlag(t *testing.T) {
	var out, errb bytes.Buffer
	if code := run([]string{"--version"}, &out, &errb); code != 0 {
		t.Errorf("--version code=%d (stderr=%q)", code, errb.String())
	}
	if !strings.Contains(out.String(), "lectio-web") {
		t.Errorf("--version output missing lectio-web: %q", out.String())
	}
}

func TestUnknownFlag(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
	var out, errb bytes.Buffer
	if code := run([]string{"-x"}, &out, &errb); code != 2 {
		t.Errorf("-x code=%d want 2 (stderr=%q)", code, errb.String())
	}
}

func TestUnknownLongFlag(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
	var out, errb bytes.Buffer
	if code := run([]string{"--bogus"}, &out, &errb); code != 2 {
		t.Errorf("--bogus code=%d want 2 (stderr=%q)", code, errb.String())
	}
}

func TestUnexpectedPositional(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
	var out, errb bytes.Buffer
	if code := run([]string{"bogus"}, &out, &errb); code != 2 {
		t.Errorf("unexpected positional code=%d want 2 (stderr=%q)", code, errb.String())
	}
}

func TestLectionaryBogus(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
	var out, errb bytes.Buffer
	if code := run([]string{"-l", "bogus"}, &out, &errb); code != 2 {
		t.Errorf("bogus lectionary code=%d want 2 (stderr=%q)", code, errb.String())
	}
}

func TestLangBogus(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
	var out, errb bytes.Buffer
	if code := run([]string{"-g", "xx"}, &out, &errb); code != 2 {
		t.Errorf("bogus lang code=%d want 2 (stderr=%q)", code, errb.String())
	}
}