use regex::Regex;
use rust_util::util_term::{BOLD, UNDER, END};
use crate::template::CommitMsgCheck;

const DEFAULT_COMMIT_MSG_REGEXP: &str = "^(feat|fix|docs|style|refactor|test|chore)(\\([\\w\\-_.]+\\))?:\\s*.*";

pub struct CommitMsgCheckRegex {
    regex: Regex,
    hint: String,
}

impl CommitMsgCheck for CommitMsgCheckRegex {
    fn check(&self, msg: &str) -> bool {
        self.regex.is_match(msg)
    }

    fn print_hint(&self) {
        println!("[USAGE] {}", self.hint);
    }
}

impl CommitMsgCheckRegex {
    pub fn new_default() -> Self {
        Self {
            regex: Regex::new(DEFAULT_COMMIT_MSG_REGEXP).unwrap(),
            hint: format!(r#"Please follow the commit spec:
Format: {b}<type>{e}(<scope>){b}: <subject>{e}
                <scope> is optional

{b}feat{e}: add hat wobble
^--^  ^------------^
|     |
|     +-> Summary in present tense.
|
+-------> Type: chore, docs, feat, fix, refactor, style, or test.

{b}feat{e}     : new feature for the user, not a new feature for build script
{b}fix{e}      : bug fix for the user, not a fix to a build script
{b}docs{e}     : changes to the documentation
{b}style{e}    : formatting, missing semi colons, etc; no production code change
{b}refactor{e} : refactoring production code, eg. renaming a variable
{b}test{e}     : adding missing tests, refactoring tests; no production code change
{b}chore{e}    : updating grunt tasks etc; no production code change

Reference: {u}https://gist.github.com/joshbuchea/6f47e86d2510bce28f8e7f42ae84c716{e}
or mirror: {u}https://hatter.ink/wiki/view_raw.action?__access_token=PUBLIC&id=42{e}
"#, b = BOLD, e = END, u = UNDER),
        }
    }
}