mod from;

use crate::Value;
use std::{
    collections::HashMap,
    fmt,
    fmt::{Display, Formatter},
};

#[derive(Debug, Clone,Eq, PartialEq)]
pub struct Command {
    pub cmd: String,
    pub args: Vec<Value>,
    pub kvs: HashMap<String, Value>,
    pub kind: CommandKind,
}

#[derive(Copy, Clone, Debug,Eq, PartialEq)]
pub enum CommandKind {
    /// ```md
    /// \cmd: args
    /// ```
    Inline,
    /// ```md
    /// \cmd(
    ///     arg = 1
    /// )
    /// ```
    Normal,

    /// `[]`
    SmartLink,
    /// ````md
    /// ```cmd(arg=1)
    /// body text
    /// ```
    /// ````
    CodeBlock,
    /// ```md
    /// <cmd arg=1>body text</cmd>
    /// ```
    OpenClose,
    /// ```md
    /// `<cmd arg=1/>`
    /// ```
    SelfClose,
}

impl Display for Command {
    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
        let a = self.args.iter().map(|v| format!("{}", v));
        let kv = self.kvs.iter().map(|(k, v)| format!("{} = {}", k, v));

        write!(f, "\\{}({})", self.cmd, a.chain(kv).collect::<Vec<_>>().join(", "))
    }
}