package main

import (
	"strings"
	"testing"
	"time"
)

// A reminder confirmation is the one sentence that must match a database row.
// It used to be phrased by the replier from Slots.Text, which meant it named
// whatever hour the sentence contained — including an hour the parser had
// rejected or read differently (Vikunja #507).

func TestReminderConfirmNamesTheStoredHour(t *testing.T) {
	now := time.Date(2026, 8, 5, 9, 0, 0, 0, time.UTC)
	got := reminderConfirm(now.Add(10*time.Hour), now) // 19:00 today
	if !strings.Contains(got, "19:00") {
		t.Fatalf("confirmation = %q, want the stored 19:00 in it", got)
	}
	if !strings.Contains(got, "сегодня") {
		t.Fatalf("confirmation = %q, want it to say сегодня", got)
	}
}

func TestReminderConfirmUsesADateBeyondTheDayWords(t *testing.T) {
	// dayPrefix answers "это" past послезавтра, and "напомню это в 09:00" is
	// not a sentence. A date is.
	now := time.Date(2026, 8, 5, 9, 0, 0, 0, time.UTC)
	got := reminderConfirm(now.Add(10*24*time.Hour), now)
	if strings.Contains(got, "это") {
		t.Fatalf("confirmation = %q, want a date rather than the fallback day word", got)
	}
	if !strings.Contains(got, "15 августа") {
		t.Fatalf("confirmation = %q, want the date in it", got)
	}
}

func TestReminderConfirmIsFeminineAndInformal(t *testing.T) {
	// The persona checks the phrasing eval enforces apply here too, and this
	// sentence never passes through a phraser.
	now := time.Date(2026, 8, 5, 9, 0, 0, 0, time.UTC)
	got := reminderConfirm(now.Add(time.Hour), now)
	for _, bad := range []string{"вы", "ваш", "напомнил ", "рад "} {
		if strings.Contains(strings.ToLower(got), bad) {
			t.Fatalf("confirmation = %q contains %q", got, bad)
		}
	}
	if !strings.HasPrefix(got, "хорошо, напомню") {
		t.Fatalf("confirmation = %q, want it to open with the promise", got)
	}
}