package main

import "testing"

func TestValidateScript_DecisionOK(t *testing.T) {
	lines := []scriptLine{
		{Speaker: "旁白", Text: "夜深了，城里静悄悄的。"},
		{Speaker: "小军师", Text: "城门关得紧紧的。"},
		{Speaker: "小军师", Text: "我们怎么才能悄悄进城呢？", Emotion: "think"},
	}
	if err := validateScript(lines, true, "小军师"); err != nil {
		t.Fatalf("合法决策剧本应通过: %v", err)
	}
}

func TestValidateScript_FinalOK(t *testing.T) {
	lines := []scriptLine{
		{Speaker: "旁白", Text: "天亮了，城门缓缓打开。"},
		{Speaker: "小军师", Text: "我们成功了，真是太好了！"},
		{Speaker: "小军师", Text: "我们一起进城啦！", Emotion: "happy"},
	}
	if err := validateScript(lines, false, "小军师"); err != nil {
		t.Fatalf("合法终局剧本应通过: %v", err)
	}
}

func TestValidateScript_TooFewLines(t *testing.T) {
	lines := []scriptLine{{Speaker: "旁白", Text: "夜深了，城里静悄悄的。"}}
	if err := validateScript(lines, true, "小军师"); err == nil {
		t.Fatal("不足 3 句应报错")
	}
}

func TestValidateScript_MissingQuestion(t *testing.T) {
	lines := []scriptLine{
		{Speaker: "旁白", Text: "夜深了，城里静悄悄的。"},
		{Speaker: "小军师", Text: "城门关得紧紧的。"},
		{Speaker: "小军师", Text: "我们悄悄等天亮吧。"},
	}
	if err := validateScript(lines, true, "小军师"); err == nil {
		t.Fatal("决策节点末句未提问应报错")
	}
}

func TestValidateScript_BadSpeaker(t *testing.T) {
	lines := []scriptLine{
		{Speaker: "旁白", Text: "夜深了，城里静悄悄的。"},
		{Speaker: "路人甲", Text: "城门关得紧紧的。"},
		{Speaker: "小军师", Text: "我们怎么才能悄悄进城呢？"},
	}
	if err := validateScript(lines, true, "小军师"); err == nil {
		t.Fatal("非法 speaker 应报错")
	}
}

func TestValidateScript_BadLength(t *testing.T) {
	lines := []scriptLine{
		{Speaker: "旁白", Text: "夜深了。"},
		{Speaker: "小军师", Text: "城门关得紧紧的。"},
		{Speaker: "小军师", Text: "我们怎么才能悄悄进城呢？"},
	}
	if err := validateScript(lines, true, "小军师"); err == nil {
		t.Fatal("台词不足 8 字应报错")
	}
}