package prompt

import (
	"strings"
	"testing"
)

func TestComposeSystemOverlayFirst(t *testing.T) {
	got, err := ComposeSystem("基礎 system")
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(got, "基礎 system") {
		t.Fatalf("missing base: %q", got)
	}
	if !strings.Contains(got, overlaySeparator) {
		t.Fatalf("missing separator: %q", got)
	}
}

func TestStyle8DSystemIncludesSchema(t *testing.T) {
	got, err := Style8DSystem()
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(got, "Threads 創作者風格研究員") || !strings.Contains(got, `"d1Tone"`) {
		t.Fatalf("missing expected fragments: %q", got)
	}
}

func TestIslanderSystemIncludesContext(t *testing.T) {
	got, err := IslanderSystem("【目前頁面】\n- 路徑：/settings")
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(got, "島民嚮導") || !strings.Contains(got, "/settings") {
		t.Fatalf("missing expected fragments: %q", got)
	}
}

func TestAIChatSystemUsesDefault(t *testing.T) {
	got, err := AIChatSystem("")
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(got, "巡樓管理台") {
		t.Fatalf("got %q", got)
	}
}