mshx

#!/bin/bash

MSH_COMMAND="msh"
MSHX_COMMAND="mshx"
MSH_HOME_DIR="$MSH_HOME"

function help_command(){
    echo "                          __         ____"
    echo "    ____ ___  __  _______/ /_  ___  / / /"
    echo "   / __  __ \/ / / / ___/ __ \/ _ \/ / / "
    echo "  / / / / / / /_/ (__  ) / / /  __/ / /  "
    echo " /_/ /_/ /_/\__, /____/_/ /_/\___/_/_/   "
    echo "           /____/ msh eXtension" 
    echo ""
    echo "Usage: mshx <command>"
    echo ""
    echo "<...> = required"
    echo "[...] = optional"
    echo ""
    echo "Commands:"
    echo "  help|h - Get help for mshx"
    echo ""
    echo "  install|i <extension-name> [collection-name] - Clone a collection from a git repository"
    echo "      extension-name - The name of the extension to install in the format 'username/repo'"
    echo ""
    echo "  list|ls - List all available extensions"
}

function get_extension_url(){
    extension="$1"
    if [[ ! "$extension" == *"https://"* ]] && [[ ! "$extension" == *"http://"* ]]; then
        extension="https://github.com/$extension-mshx.git"
    fi
    echo "$extension"
}

function install_command(){

    extension="$2"

    if [ -z "$extension" ]; then
        echo "No extension specified. Type 'mshx help' for help."
        exit 1
    fi

    # exit when extension does not contain a slash
    if [[ ! "$extension" == *"/"* ]]; then
        echo "Invalid extension name. Type 'mshx help' for help."
        exit 1
    fi
    echo "Installing extension $extension..."

    extension=$(get_extension_url "$extension")

    # check if the repository exists
    if ! git ls-remote "$extension" &> /dev/null; then
        echo "Could not find the repository: $extension"
        exit 1
    fi

    coll_path=$($MSH_COMMAND collection clone "$extension" -print-path)
    deps_file="$coll_path/dependencies.list"

    if [ -f "$deps_file" ]; then
        echo "Installing dependencies for $extension..."

        all_coll="$($MSH_COMMAND collection list)"
        for dep in $(cat "$deps_file"); do
            echo ""
            echo "Installing dependency $dep..."
            dep_url=$(get_extension_url "$dep")

            if [[ "$all_coll" == *"$dep_url"* ]]; then
                echo "Dependency $dep already installed."
                continue
            fi

            install_command "$dep_url" "$dep_url"
        done
        echo ""
    fi            

    echo "Extension $extension installed successfully."
}

function list_command(){
    echo "Extensions:"

    extension_list_url="https://raw.githubusercontent.com/cophilot/msh/refs/heads/main/extensions.list"
    extension_list=$(curl -s $extension_list_url)

    while IFS= read -r line; do
        url="https://github.com/$line-mshx.git"
        if ! git ls-remote "$url" &> /dev/null; then
            continue
        fi
        # get the github description
        description=$(curl -s "https://api.github.com/repos/$line-mshx" | jq -r '.description')
        if [ "$description" == "null" ]; then
            description=""
        else
            description="- $description"
        fi
        echo "  $line $description($url)"
    done <<< "$extension_list"
}



if [ "${@: -1}" == "-dev" ]; then
    MSH_COMMAND="./out/msh"
    MSHX_COMMAND="./mshx"
    MSH_HOME_DIR=".myshell"
    echo "Running in development mode..."
fi

command="$1"

if [ -z "$command" ]; then
    echo "No command specified. Type 'mshx help' for help."
    exit 1
fi

if [ "$command" == "help" ] || [ "$command" == "h" ] || [ "$command" == "-help" ] || [ "$command" == "--help" ] || [ "$command" == "-h" ] || [ "$command" == "--h" ]; then
    help_command
    exit 0
fi

if [ "$command" == "install" ] || [ "$command" == "i" ]; then
    install_command $@
    exit 0
fi

if [ "$command" == "list" ] || [ "$command" == "ls" ]; then
    list_command
    exit 0
fi

echo "Command not found. Type 'mshx help' for help."