package router

import (
	"testing"
	"time"
)

// TestWeekdayIndexReplacesFourLists — four files kept a weekday list of their
// own and each was short in a different direction (V-581). The forms below are
// the ones at least one of those lists missed, so they are the point of having
// one matcher: the lexicon names the day and the dictionary answers the case.
func TestWeekdayIndexReplacesFourLists(t *testing.T) {
	for _, tc := range []struct {
		word string
		want time.Weekday
	}{
		{"понедельник", time.Monday},
		{"понедельникам", time.Monday},
		{"понедельником", time.Monday},
		{"вторник", time.Tuesday},
		{"среда", time.Wednesday},
		{"среду", time.Wednesday},
		{"среде", time.Wednesday},
		{"средам", time.Wednesday},
		{"четверга", time.Thursday},
		{"пятницу", time.Friday},
		{"субботам", time.Saturday},
		{"воскресеньях", time.Sunday},
		{"Воскресенье", time.Sunday},
		{"monday", time.Monday},
		{"Fridays", time.Friday},
	} {
		got, ok := WeekdayIndex(tc.word)
		if !ok || got != tc.want {
			t.Errorf("WeekdayIndex(%q) = %v, %v; want %v, true", tc.word, got, ok, tc.want)
		}
	}
	// A stem match said yes to all of these. A word match says no.
	for _, w := range []string{"среди", "средство", "средний", "среднем", "субботник", "", "через"} {
		if _, ok := WeekdayIndex(w); ok {
			t.Errorf("WeekdayIndex(%q) claimed a weekday", w)
		}
	}
}