use super::{MessageContent, Styled};
use discord_message_format::DiscordComponent;

impl<'a> From<&DiscordComponent<'a>> for Styled {
    fn from(discord: &DiscordComponent<'a>) -> Self {
        match discord {
            DiscordComponent::Plain(text) => Self::Plain(text.to_string()),
            DiscordComponent::Literal(char) => Self::Plain(char.to_string()),
            DiscordComponent::Link(link) => Self::Link {
                target: link.to_string(),
                text: vec![Self::Plain(link.to_string())],
            },

            DiscordComponent::Bold(content) => Self::Bold(convert_discord(content)),
            DiscordComponent::Italic(content) => Self::Italic(convert_discord(content)),
            DiscordComponent::Strikethrough(content) => {
                Self::Strikethrough(convert_discord(content))
            }
            DiscordComponent::Underline(content) => Self::Underline(convert_discord(content)),

            DiscordComponent::Code(code) => Self::Code(code.to_string()),
            DiscordComponent::CodeBlock { lang, source } => Self::CodeBlock {
                lang: lang.map(|s| s.to_string()),
                source: source.to_string(),
            },

            DiscordComponent::Spoiler(content) => Self::Spoiler {
                reason: None,
                content: convert_discord(content),
            },

            DiscordComponent::LineBreak => Self::HardBreak,
            DiscordComponent::Quote(content) => Self::BlockQuote(convert_discord(content)),
        }
    }
}

pub fn convert_discord(discord_message: &[DiscordComponent<'_>]) -> MessageContent {
    discord_message
        .iter()
        .map(Styled::from)
        .collect::<MessageContent>()
}