using WxAgent.Core;
using Xunit;

namespace WxAgent.Core.Tests;

public sealed class WechatM5Tests
{
    [Fact]
    public void GetUrl_ExtractsFirstHttpUrlAndTrailingPunctuation()
    {
        var message = Message("文档：https://example.com/a?q=1。", ChatMessageType.Link);
        Assert.Equal("https://example.com/a?q=1", WechatMessageContentParser.GetUrl(message)?.AbsoluteUri);
    }

    [Fact]
    public void ToMarkdown_FormatsLinkAndQuote()
    {
        var message = Message(
            "项目主页 https://example.com",
            ChatMessageType.Link,
            new QuotedMessageSnapshot("甲", "原消息"));

        Assert.Equal("> 原消息\n\n[项目主页](https://example.com/)", WechatMessageContentParser.ToMarkdown(message).Replace("\r\n", "\n"));
    }

    [Fact]
    public void GetContent_PreservesTypedMessageData()
    {
        var message = Message("[图片]", ChatMessageType.Image);
        var content = WechatMessageContentParser.GetContent(message);
        Assert.Equal(ChatMessageType.Image, content.Type);
        Assert.Equal("[图片]", content.Text);
        Assert.Null(content.Url);
    }

    [Fact]
    public void MomentFingerprint_IsStableAndSensitiveToContent()
    {
        var first = WechatMessageContentParser.MomentFingerprint("甲", "内容", "昨天");
        Assert.Equal(first, WechatMessageContentParser.MomentFingerprint("甲", "内容", "昨天"));
        Assert.NotEqual(first, WechatMessageContentParser.MomentFingerprint("甲", "其他", "昨天"));
    }

    [Theory]
    [InlineData("[位置]", ChatMessageType.Location)]
    [InlineData("[动画表情]", ChatMessageType.Emotion)]
    [InlineData("三条聊天记录", ChatMessageType.Merge)]
    [InlineData("[名片]", ChatMessageType.PersonalCard)]
    [InlineData("[笔记]", ChatMessageType.Note)]
    public void Parser_ClassifiesM5SpecialMessages(string text, ChatMessageType expected)
    {
        var parsed = VisibleMessageParser.Parse([new ChatMessageSource(text, "id")]);
        Assert.Equal(expected, Assert.Single(parsed).Type);
    }

    [Fact]
    public void NoteContent_ToMarkdown_PreservesOrderAndFiles()
    {
        var content = new WechatNoteContent([
            new WechatNoteContentPart("text", "标题"),
            new WechatNoteContentPart("file", "/tmp/a.png")
        ]);
        Assert.Equal("标题\n\n[a.png](/tmp/a.png)", content.ToMarkdown().Replace("\r\n", "\n"));
    }

    [Fact]
    public void MomentPrivacy_RequiresTagsForRestrictedVisibility()
    {
        new WechatMomentPublishOptions().Validate();
        Assert.Throws<WxAgentException>(() => new WechatMomentPublishOptions(WechatMomentPrivacy.TagWhitelist).Validate());
        new WechatMomentPublishOptions(WechatMomentPrivacy.TagBlacklist, ["测试标签"]).Validate();
    }

    private static ChatMessageSnapshot Message(string text, ChatMessageType type, QuotedMessageSnapshot? quote = null) =>
        new(text, "fingerprint", 0, type, quote);
}