use crate::parse::{EmbedRule, Platform};
use crate::Category;

pub struct Bilibili;

impl Platform for Bilibili {
    fn id(&self) -> &'static str {
        "bilibili"
    }

    fn name(&self) -> &'static str {
        "哔哩哔哩"
    }

    fn category(&self) -> Category {
        Category::Video
    }

    fn domains(&self) -> &'static [&'static str] {
        &["bilibili.com", "bilibili.tv"]
    }

    fn embed_rule(&self) -> Option<EmbedRule> {
        Some(EmbedRule::wide(
            r"^/video/(BV[A-Za-z0-9]+)",
            "https://player.bilibili.com/player.html?bvid={id}&autoplay=0",
        ))
    }

    /// 旧版 `av` 号与番剧 `ep` 号走各自的播放器参数，声明式模板表达不了。
    fn parse(&self, url: &url::Url) -> Option<crate::Resolved> {
        use crate::parse::{capture_args, default_parse, platform_resolved};
        use crate::EmbedKind;

        if let Some(caps) = capture_args(r"^/video/av(\d+)", url) {
            return Some(platform_resolved(
                self,
                url,
                EmbedKind::Iframe,
                Some(format!(
                    "https://player.bilibili.com/player.html?aid={}&autoplay=0",
                    caps[0]
                )),
                crate::Aspect::Wide,
            ));
        }
        if let Some(caps) = capture_args(r"^/bangumi/play/(?:ep|ss)(\d+)", url) {
            let param = if url.path().contains("/ep") { "ep_id" } else { "season_id" };
            return Some(platform_resolved(
                self,
                url,
                EmbedKind::Iframe,
                Some(format!(
                    "https://player.bilibili.com/player.html?{param}={}&autoplay=0",
                    caps[0]
                )),
                crate::Aspect::Wide,
            ));
        }
        default_parse(self, url)
    }
}

pub static PLATFORM: Bilibili = Bilibili;