package main

import (
	"os"
	"path/filepath"
	"reflect"
	"strings"
	"testing"
)

// feh's shape (novox/hq ADR 0208): no seat; it requires the X display on its own machine, carries
// the wallpaper as its own archive (ADR 0205), owns ~/.fehbg pointing at it, and sets it once from
// the session's start.

func TestItRequiresTheXDisplayAndClaimsNothing(t *testing.T) {
	m := readManifest(t)
	if m.Module != "feh" || m.Seats != nil || m.Claims != nil {
		t.Fatalf("module %q, seats %v, claims %v", m.Module, m.Seats, m.Claims)
	}
	if !reflect.DeepEqual(m.Requires, []string{"x11-display"}) {
		t.Fatalf("requires: %v", m.Requires)
	}
	if present, absent := m.packages(); !reflect.DeepEqual(present, []string{"feh"}) || absent != nil {
		t.Fatalf("packages: %v, absent %v", present, absent)
	}
}

func TestTheWallpaperIsTheModulesOwnArchive(t *testing.T) {
	m := readManifest(t)
	a := m.resource(t, "wallpapers")
	if a["type"] != "archive" || a["artifact"] != "wallpapers" || a["path"] != "${machine:account-home}/.local/share/feh/wallpapers" || a["owner"] != "${machine:account}" {
		t.Fatalf("%v", a)
	}
	found := false
	for _, art := range m.Build.Artifacts {
		if art["name"] == "wallpapers" && art["kind"] == "archive" && art["from"] == "wallpaper" {
			found = true
		}
	}
	if !found {
		t.Fatal("no archive artifact built from wallpaper/")
	}
	info, err := os.Stat(filepath.Join("..", "..", "wallpaper", "default.jpg"))
	if err != nil || info.Size() == 0 {
		t.Fatalf("the image: %v", err)
	}
}

func TestFehbgIsOwnedAndTheSessionStartRunsItOnce(t *testing.T) {
	m := readManifest(t)
	m.sameAsSource(t, "fehbg", "files/fehbg")
	f := m.resource(t, "fehbg")
	if f["path"] != "${machine:account-home}/.fehbg" || f["mode"] != "0755" {
		t.Fatalf("%v", f)
	}
	if c := f["content"].(string); !strings.Contains(c, "$HOME/.local/share/feh/wallpapers/default.jpg") || strings.Contains(c, ".hal") {
		t.Fatalf("%s", c)
	}
	if len(m.Shell) != 1 || m.Shell[0].For != "xinitrc" || m.Shell[0].Slot != "normal" || strings.Count(m.Shell[0].Code, `"$HOME/.fehbg"`) != 1 {
		t.Fatalf("%+v", m.Shell)
	}
}

func TestTheKeyThatRestoresTheWallpaperIsAnI3DropIn(t *testing.T) {
	m := readManifest(t)
	m.i3LinesAreSource(t, "files/i3/50-feh.conf")
	if p := m.i3Lines(); p == "" {
		t.Fatalf("path: %v", p)
	}
	if c := m.i3Lines(); !strings.Contains(c, "bindsym $mod+Shift+b exec --no-startup-id ~/.fehbg\n") {
		t.Fatalf("%s", c)
	}
}

func TestTheToolsAgreeWithTheManifest(t *testing.T) {
	m := readManifest(t)
	checkTheToolsAgree(t, m)
	checkNoSecretsOrInstallationNames(t)
}