package config

import (
	"encoding/json"
	"testing"
)

func TestRemoteConfigDefaultsAreComplete(t *testing.T) {
	document, err := loadRemoteConfig("")
	if err != nil {
		t.Fatal(err)
	}
	if document.SchemaVersion != 1 || document.ConfigVersion != 1 {
		t.Fatalf("unexpected versions: %+v", document)
	}
	if document.Copy.Navigation.Favourites != "Favourites" {
		t.Fatalf("favourites label = %q", document.Copy.Navigation.Favourites)
	}
	if !document.ContinueWatching.IncludeNextUp || len(document.Home.Sections) == 0 {
		t.Fatalf("central defaults are incomplete: %+v", document)
	}
	if document.Presentation.FontFamily != "system" {
		t.Fatalf("font family = %q, want system", document.Presentation.FontFamily)
	}
}

func TestRemoteConfigDefaultsMissingNewSectionsForOlderDocuments(t *testing.T) {
	raw := `{"schemaVersion":1,"configVersion":3,"copy":{"navigation":{"home":"Home","forYou":"For You","search":"Search","movies":"Movies","tvShows":"TV Shows","tvCalendar":"TV Calendar","favourites":"Favourites","user":"User","settings":"Settings"},"tagline":"Matt’s Android TV client"},"features":{"showNavigationVersion":true},"presentation":{"navigationRailExpandedWidthDp":184,"navigationContentShiftDp":112}}`
	document, err := loadRemoteConfig(raw)
	if err != nil {
		t.Fatal(err)
	}
	if !document.ContinueWatching.Enabled || document.Search.MaxResults != 50 {
		t.Fatalf("new fields did not receive defaults: %+v", document)
	}
}

func TestRemoteConfigRejectsMalformedAndUnsafeDocuments(t *testing.T) {
	document := DefaultRemoteConfig()
	document.Presentation.NavigationRailExpandedWidthDp = 500
	raw, err := json.Marshal(document)
	if err != nil {
		t.Fatal(err)
	}
	if _, err := loadRemoteConfig(string(raw)); err == nil {
		t.Fatal("unsafe presentation value was accepted")
	}

	if _, err := loadRemoteConfig(`{"schemaVersion":1,"unknown":true}`); err == nil {
		t.Fatal("unknown fields were accepted")
	}

	document = DefaultRemoteConfig()
	document.Presentation.FontFamily = "comic-sans"
	raw, err = json.Marshal(document)
	if err != nil {
		t.Fatal(err)
	}
	if _, err := loadRemoteConfig(string(raw)); err == nil {
		t.Fatal("unknown font family was accepted")
	}

	document = DefaultRemoteConfig()
	document.MinimumAppVersion = "0.3.0"
	document.MaximumAppVersion = "0.2.54"
	raw, err = json.Marshal(document)
	if err != nil {
		t.Fatal(err)
	}
	if _, err := loadRemoteConfig(string(raw)); err == nil {
		t.Fatal("reversed app-version bounds were accepted")
	}
}