package main

import (
	"encoding/json"
	"testing"
)

func TestUpdateStickers_PersistsAndRoundTrips(t *testing.T) {
	db := setupTestDB(t)
	col := executeTool(db, "create_column", mustJSON(t, map[string]string{"name": "X"})).Result.(*Column)
	card := executeTool(db, "create_card", mustJSON(t, map[string]string{"column_id": col.ID, "title": "T"})).Result.(*Card)

	if card.Stickers == nil || len(card.Stickers) != 0 {
		t.Fatalf("expected empty stickers on new card, got %+v", card.Stickers)
	}

	stickers := []Sticker{
		{Emoji: "🔥", X: 0.25, Y: 0.5},
		{Emoji: "✅", X: 0.9, Y: 0.1},
	}
	if err := db.UpdateStickers(card.ID, stickers); err != nil {
		t.Fatalf("UpdateStickers: %v", err)
	}

	cards, err := db.ListCardsWithTime()
	if err != nil {
		t.Fatalf("ListCardsWithTime: %v", err)
	}
	if len(cards) != 1 {
		t.Fatalf("expected 1 card, got %d", len(cards))
	}
	got := cards[0].Stickers
	if len(got) != 2 || got[0].Emoji != "🔥" || got[1].Emoji != "✅" {
		t.Fatalf("sticker round-trip failed: %+v", got)
	}
	if got[0].X != 0.25 || got[0].Y != 0.5 {
		t.Fatalf("coords lost: %+v", got[0])
	}
}

func TestUpdateStickers_ClampAndDropEmpty(t *testing.T) {
	db := setupTestDB(t)
	col := executeTool(db, "create_column", mustJSON(t, map[string]string{"name": "X"})).Result.(*Column)
	card := executeTool(db, "create_card", mustJSON(t, map[string]string{"column_id": col.ID, "title": "T"})).Result.(*Card)

	in := []Sticker{
		{Emoji: " 🚀 ", X: -0.5, Y: 1.5},
		{Emoji: "", X: 0.5, Y: 0.5},
		{Emoji: "💀", X: 0.3, Y: 0.7},
	}
	if err := db.UpdateStickers(card.ID, in); err != nil {
		t.Fatalf("UpdateStickers: %v", err)
	}
	cards, _ := db.ListCardsWithTime()
	got := cards[0].Stickers
	if len(got) != 2 {
		t.Fatalf("expected empty emoji dropped, got %+v", got)
	}
	if got[0].Emoji != "🚀" || got[0].X != 0 || got[0].Y != 1 {
		t.Fatalf("clamp failed: %+v", got[0])
	}
	if got[1].Emoji != "💀" {
		t.Fatalf("expected 💀 second, got %+v", got[1])
	}
}

func TestUpdateStickers_OverwriteAndClear(t *testing.T) {
	db := setupTestDB(t)
	col := executeTool(db, "create_column", mustJSON(t, map[string]string{"name": "X"})).Result.(*Column)
	card := executeTool(db, "create_card", mustJSON(t, map[string]string{"column_id": col.ID, "title": "T"})).Result.(*Card)

	if err := db.UpdateStickers(card.ID, []Sticker{{Emoji: "🔥", X: 0.5, Y: 0.5}}); err != nil {
		t.Fatalf("set: %v", err)
	}
	if err := db.UpdateStickers(card.ID, []Sticker{}); err != nil {
		t.Fatalf("clear: %v", err)
	}
	cards, _ := db.ListCardsWithTime()
	if len(cards[0].Stickers) != 0 {
		t.Fatalf("expected cleared, got %+v", cards[0].Stickers)
	}
}

func TestSticker_JSONShape(t *testing.T) {
	s := Sticker{Emoji: "🎯", X: 0.1, Y: 0.2}
	b, err := json.Marshal(s)
	if err != nil {
		t.Fatalf("marshal: %v", err)
	}
	want := `{"emoji":"🎯","x":0.1,"y":0.2}`
	if string(b) != want {
		t.Fatalf("got %s want %s", b, want)
	}
}