package peco

import (
	"io"
	"io/ioutil"
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
	"golang.org/x/net/context"
)

func TestIssue212_SanityCheck(t *testing.T) {
	state := newPeco()
	ctx, cancel := context.WithCancel(context.Background())
	go state.Run(ctx)
	defer cancel()

	<-state.Ready()

	// Check if the default layout type is honored */
	// This the main issue on 212, but while we're at it, we're just
	// going to check that all the default values are as expected
	if !assert.Equal(t, state.config.Layout, "top-down", "Default layout type should be 'top-down', got '%s'", state.config.Layout) {
		return
	}

	if !assert.Equal(t, len(state.config.Keymap), 0, "Default keymap should be empty, but got '%#v'", state.config.Keymap) {
		return
	}

	if !assert.Equal(t, state.config.InitialMatcher, IgnoreCaseMatch, "Default matcher should IgnoreCaseMatch, but got '%s'", state.config.InitialMatcher) {
		return
	}

	defstyle := StyleSet{}
	defstyle.Init()
	if !assert.Equal(t, state.config.Style, defstyle, "should be default style") {
		return
	}

	if !assert.Equal(t, state.config.Prompt, "QUERY>", "Default prompt should be 'QUERY>', but got '%s'", state.config.Prompt) {
		return
	}

	// Okay, this time create a dummy config file, and read that in
	f, err := ioutil.TempFile("", "peco-test-config")
	if !assert.NoError(t, err, "Failed to create temporary config file: %s", err) {
		return
	}
	fn := f.Name()
	defer os.Remove(fn)

	io.WriteString(f, `{
    "Layout": "bottom-up"
}`)
	f.Close()

	state = newPeco()
	go state.Run(ctx)

	<-state.Ready()

	if !assert.NoError(t, state.config.ReadFilename(fn), "Failed to read config: %s", err) {
		return
	}
	if !assert.Equal(t, state.config.Layout, "bottom-up", "Default layout type should be 'bottom-up', got '%s'", state.config.Layout) {
		return
	}
}