package channelbridge

import (
	"strings"
	"testing"
)

func TestStripNarration_RemovesActionBlock(t *testing.T) {
	t.Parallel()
	in := "<action>弯起眼睛笑了</action>\n当然看得到呀，亲爱的。\n怎么突然这么问，是想我了吗？"
	got := stripNarration(in)
	want := "当然看得到呀，亲爱的。\n怎么突然这么问，是想我了吗？"
	if got != want {
		t.Errorf("stripNarration = %q, want %q", got, want)
	}
}

func TestStripNarration_RemovesNarrationAndParagraphs(t *testing.T) {
	t.Parallel()
	in := "<p>你好呀</p>\n<narration>心里有点甜</narration>\n<p>今天天气不错</p>"
	got := stripNarration(in)
	// Paragraph markers flattened to newlines; narration block dropped entirely.
	if got != "你好呀\n今天天气不错" {
		t.Errorf("stripNarration = %q, want %q", got, "你好呀\n今天天气不错")
	}
}

func TestStripNarration_PureChatKept(t *testing.T) {
	t.Parallel()
	in := "就是普通一句话，没有动作。\n第二行。"
	if got := stripNarration(in); got != in {
		t.Errorf("stripNarration changed plain text: %q -> %q", in, got)
	}
}

func TestStripNarration_OnlyActionBecomesEmpty(t *testing.T) {
	t.Parallel()
	in := "<action>拍拍你</action>"
	if got := stripNarration(in); got != "" {
		t.Errorf("stripNarration = %q, want empty", got)
	}
}

func TestStripNarration_CaseAndStrayTags(t *testing.T) {
	t.Parallel()
	in := "<Action>扑上来</Action> 你好 <narration/> 世界"
	got := stripNarration(in)
	if strings.Contains(got, "action") || strings.Contains(got, "narration") || strings.Contains(got, "扑上来") {
		t.Errorf("stripNarration left role-play markup: %q", got)
	}
	if !strings.Contains(got, "你好") || !strings.Contains(got, "世界") {
		t.Errorf("stripNarration dropped chat text: %q", got)
	}
}

func TestSplitBubbles_Paragraphs(t *testing.T) {
	t.Parallel()
	in := "<p>晚上好呀，亲爱的♪</p><p>怎么突然这么问，是想我了吗？</p>"
	got := splitBubbles(in)
	if len(got) != 2 || got[0] != "晚上好呀，亲爱的♪" || got[1] != "怎么突然这么问，是想我了吗？" {
		t.Errorf("splitBubbles = %#v", got)
	}
}

func TestSplitBubbles_StripsRoleplayAndDropsEmpty(t *testing.T) {
	t.Parallel()
	in := "<p><action>弯起眼睛笑了</action>当然看得到呀。</p><p>❤</p>"
	got := splitBubbles(in)
	if len(got) != 2 || got[0] != "当然看得到呀。" {
		t.Errorf("splitBubbles = %#v", got)
	}
	if got[1] != "❤" {
		t.Errorf("splitBubbles[1] = %q, want ❤", got[1])
	}
}

func TestSplitBubbles_NoParagraphIsSingleBubble(t *testing.T) {
	t.Parallel()
	in := "就是普通一句话\n带个换行。"
	got := splitBubbles(in)
	if len(got) != 1 || got[0] != in {
		t.Errorf("splitBubbles = %#v", got)
	}
}

func TestSplitBubbles_OnlyActionIsEmpty(t *testing.T) {
	t.Parallel()
	if got := splitBubbles("<action>拍拍你</action>"); len(got) != 0 {
		t.Errorf("splitBubbles = %#v, want empty", got)
	}
}