package mobile

import (
	"encoding/json"
	"testing"
)

func decodeDay(t *testing.T, s string) map[string]any {
	t.Helper()
	var m map[string]any
	if err := json.Unmarshal([]byte(s), &m); err != nil {
		t.Fatalf("Day returned invalid JSON: %v\n%s", err, s)
	}
	return m
}

func TestDayCarriesLocalisedRank(t *testing.T) {
	pl := decodeDay(t, Day("2026-08-01", "of", "vul", "pl"))
	if pl["rank"] != "memorial" {
		t.Errorf("pl rank = %v, want memorial", pl["rank"])
	}
	if pl["rank_label"] != "wspomnienie obowiązkowe" {
		t.Errorf("pl rank_label = %v", pl["rank_label"])
	}
	en := decodeDay(t, Day("2026-08-01", "of", "vul", "en"))
	if en["rank_label"] != "memorial" {
		t.Errorf("en rank_label = %v", en["rank_label"])
	}
}

// The app shows the colour as a swatch and never as a word, so the raw key must
// be present and no localised label may be. This test exists so the app cannot
// quietly start depending on a colour word.
func TestDayHasColourKeyButNoColourLabel(t *testing.T) {
	m := decodeDay(t, Day("2026-08-01", "of", "vul", "pl"))
	if m["colour"] != "white" {
		t.Errorf("colour = %v, want white", m["colour"])
	}
	if _, present := m["colour_label"]; present {
		t.Error("colour_label must not be returned: the app draws a swatch")
	}
}