#!/bin/bash

function _clone() {
    if [[ "$#" -lt 1 ]]; then
        echo "[!] Missing URL to clone!" >&2
        return 1
    fi

    local url="$1"
    local forge owner repo
    if [[ "${url}" =~ ^ssh:\/\/([a-zA-Z0-9_\-]+@)?([a-zA-Z0-9_.\-]+)(:[0-9]+)?\/([a-zA-Z0-9_\-\/]+)\/([a-zA-Z0-9_\-]+)(.git)?$ ]]; then
        forge="${BASH_REMATCH[2],,}"
        owner="${BASH_REMATCH[4],,}"
        repo="${BASH_REMATCH[5],,}"
    elif [[ "${url}" =~ ^([a-zA-Z0-9_\-]+@)?([a-zA-Z0-9_.\-]+):([a-zA-Z0-9_\-\/]+)\/([a-zA-Z0-9_\-]+)(.git)?$ ]]; then
        forge="${BASH_REMATCH[2],,}"
        owner="${BASH_REMATCH[3],,}"
        repo="${BASH_REMATCH[4],,}"
    elif [[ "${url}" =~ ^https?:\/\/([a-zA-Z0-9_.\-]+)(:[0-9]+)?\/([a-zA-Z0-9_\-\/]+)/([a-zA-Z0-9_\-]+)(.git)?$ ]]; then
        forge="${BASH_REMATCH[1],,}"
        owner="${BASH_REMATCH[3],,}"
        repo="${BASH_REMATCH[4],,}"
    else
        echo "[!] Do not know how to handle ${url}!" >&2
        return 1
    fi

    mkdir -p "${WORKSPACE_DIR}/${forge}/${owner}"
    git clone "${url}" "${WORKSPACE_DIR}/${forge}/${owner}/${repo}"
}

_clone "$@"