#!/bin/bash
set -e

function help() {
    echo
    echo "task <command> [options]"
    echo
    echo "commands:"
    echo

    # Define column widths
    CMD_WIDTH=10
    OPT_WIDTH=6
    DESC_WIDTH=40
    COLUMN="| %-${CMD_WIDTH}s | %-${OPT_WIDTH}s | %-${DESC_WIDTH}s |\n"

    # Print table header
    printf "$COLUMN" "Command" "Option" "Description"
    echo "|$(printf '%*s' $((CMD_WIDTH + 2)) '' | tr ' ' '-')|$(printf '%*s' $((OPT_WIDTH + 2)) '' | tr ' ' '-')|$(printf '%*s' $((DESC_WIDTH + 2)) '' | tr ' ' '-')|"

    # Print table rows

    printf "$COLUMN" "all" "" "Run all tasks."
    printf "$COLUMN" "install" "" "Install node packages."
    printf "$COLUMN" "dev" "" "Run 11ty server."
    printf "$COLUMN" "lint" "" "Lint code with prettier."
    printf "$COLUMN" "run-tests" "" "Test with shellcheck."
    printf "$COLUMN" "build" "" "Build the 11ty website."
    printf "$COLUMN" "serve" "" "Serve the 11ty output folder."
    printf "$COLUMN" "version" "" "Show version of required tools."

    echo
}


function install() {
    npm install
}

function dev() {
    npx eleventy --serve
}

function lint() {
    pnpm exec prettier . --write
}

function run-tests() {
    echo "Test with shellcheck."
    shellcheck task
}

function build() {
    npx eleventy
}

function serve() {
    npx serve ./_site
}

function version() {
    echo "eleventy: $(npx eleventy --version)"
}

if declare -f "$1" > /dev/null; then
    "$1" "${@:2}"
else
    case "$1" in
        all)
            install
            build
            ;;
        *)
            echo "Unknown command: $1"
            help
            exit 1
            ;;
    esac
fi