package caddyhugo

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

type World struct {
	CH         CaddyHugo
	BlogFolder string
}

func (w World) Clean() {
	if w.BlogFolder != "" {
		os.RemoveAll(w.BlogFolder)
	}
}

func NewWorld(t *testing.T) World {
	dir, err := ioutil.TempDir("", "caddy-hugo2-test-")
	if err != nil {
		t.Fatalf("error initializing test environment: %v", err)
	}

	w := World{BlogFolder: dir}

	cmd := exec.Command("hugo", "new", "site", dir)
	cmd.Dir = dir
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("error initializing test site: %v\n\n%v", err, string(out))
	}

	w.CH.Setup(dir)

	return w
}

func TestDoc(t *testing.T) {
	w := NewWorld(t)
	defer w.Clean()

	c, err := GetContent(w.BlogFolder, w.CH.HugoSites)
	if err != nil {
		t.Fatalf("couldn't get content from a blank test environment: %v", err)
	}
	if len(c) != 0 {
		t.Fatalf("expected a blank test environment, but saw %d pages", len(c))
	}

	w.CH.NewContent("test1", "")
	c, err = GetContent(w.BlogFolder, w.CH.HugoSites)
	if err != nil {
		t.Fatalf("couldn't get content from the test environment: %v", err)
	}
	if len(c) != 1 {
		t.Fatalf("expected 1 page, but saw %d pages", len(c))
	}
}