#!/usr/bin/env bash

# Usage: p42 mixin [add] [<option>...]
# Summary: Add/manage mixins for an application.
# Help: To find out about a specific subcommand:
#
#    p42 mixin help <command>
#

action=$1
shift

case "$action" in

  add)
    name=$1
    shift
    path=$1
    shift

    directory=$(mktemp -d "${TMPDIR:-/tmp}/p42.XXXXXXXXX")

    git clone $path $directory

    mkdir -p ./launch/$name
    cp -R $directory/template/ ./launch/$name/
    if [ -x $directory/bin/interview ]; then
      _MIXIN_ROOT=$directory \
      $directory/bin/interview > ./launch/$name/config.yaml
    fi
    ;;

    help)
      topic="$1"
      if [ ! $topic ]; then
        exec $_P42_ROOT/libexec/p42-help mixin
      fi

      case "$topic" in
        add)
          cat <<EOF
Usage: p42 mixin add <component> <git-repo>
Add a mixin based on a git repo path or URL.

    p42 mixin add www https://github.com/pandastrike/p42-mixin-nginx.git

Mixins write to your applications launch directory. Mixins may define a
configuration based on interactive prompts.
EOF
          ;;
        *)
          echo "'$topic' is not a valid subcommand"
          exec $_P42_ROOT/libexec/p42-help mixin
      esac
      ;;

    *)
      exec $_P42_ROOT/libexec/p42-help mixin
      ;;

  esac