package pattern

import (
	"testing"
	"time"
)

func TestExtractSimpleAction(t *testing.T) {
	now := time.Now().UTC()

	tests := []struct {
		name       string
		key        string
		value      string
		wantAction string
		wantObject string
		wantNil    bool
	}{
		{"refill english", "water_fountain", "refilled", "refill", "water_fountain", false},
		{"refill russian", "cat_water", "налил", "refill", "cat_water", false},
		{"fed cat", "cat_food", "fed", "feed", "cat_food", false},
		{"clean litter", "litter_box", "почистил", "clean", "litter_box", false},
		{"walked dog", "dog_walk", "walked", "walk", "dog_walk", false},
		{"took medicine", "medicine", "took", "take", "medicine", false},
		{"watered plants", "plants", "watered", "water", "plants", false},
		{"json value skipped", "weight", `{"kg": 82}`, "", "", true},
		{"empty value skipped", "something", "", "", "", true},
		{"unrecognized action", "door", "opened", "", "", true},
		{"case insensitive", "WATER_FOUNTAIN", "REFILLED", "refill", "water_fountain", false},
		{"whitespace trimmed", "  cat_bed  ", "  cleaned  ", "clean", "cat_bed", false},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			ev := Extract(42, tc.key, tc.value, now)
			if tc.wantNil {
				if ev != nil {
					t.Fatalf("want nil, got %+v", ev)
				}
				return
			}
			if ev == nil {
				t.Fatal("want event, got nil")
			}
			if ev.Action != tc.wantAction {
				t.Fatalf("action: want %q, got %q", tc.wantAction, ev.Action)
			}
			if ev.Object != tc.wantObject {
				t.Fatalf("object: want %q, got %q", tc.wantObject, ev.Object)
			}
			if ev.FactID != 42 {
				t.Fatalf("fact_id: want 42, got %d", ev.FactID)
			}
		})
	}
}