#!/usr/bin/env bash
EDITORCONFIG_PATH="$HOME/.editorconfig-generator"
EDITORCONFIG_LIBRARY_DIR="$EDITORCONFIG_PATH/lib/editorconfig"
EDITORCONFIG_SCRIPT_FILE="$EDITORCONFIG_PATH/lib/generator.rb"
BIN_DIRECTORY="/usr/local/bin"
GENERATOR_LOCATION="$BIN_DIRECTORY/generator"

function echo_message() {
    echo "$1"
}

function remove_existing_generator() {
    if [ -f "$GENERATOR_LOCATION" ] ; then
      echo_message "Removing existing generator binary located at: [$GENERATOR_LOCATION]"
      if rm "$GENERATOR_LOCATION" ; then
        echo_message "Removed existing generator binary successfully."
      else
        echo_message "Unable to remove existing generator binary."
      fi
    else
      echo_message "[$GENERATOR_LOCATION] does not exist. Skipping removing binary..."
    fi
}

function link_generator() {
    if [ -f "$EDITORCONFIG_SCRIPT_FILE" ] && [ -d "$BIN_DIRECTORY" ] ; then
        echo_message "Symbolically linking [$EDITORCONFIG_SCRIPT_FILE] to [$GENERATOR_LOCATION]"
        if ln -sf "$EDITORCONFIG_SCRIPT_FILE" "$GENERATOR_LOCATION" ; then
            echo_message "Successfully linked the files"
        else
            echo_message "Unable to link the files"
        fi
    else
        echo_message "[$EDITORCONFIG_SCRIPT_FILE] or [$BIN_DIRECTORY] does not exist..."
    fi
}

function link_generator_directory() {
    if [ -d "$EDITORCONFIG_LIBRARY_DIR" ] && [ -d "$BIN_DIRECTORY" ] ; then
        echo_message "Symbolically linking [$EDITORCONFIG_LIBRARY_DIR] to [$BIN_DIRECTORY]"
        if ln -sf "$EDITORCONFIG_LIBRARY_DIR" "$BIN_DIRECTORY" ; then
            echo_message "Successfully linked the directories"
        else
            echo_message "Unable to link the directories"
        fi
    else
        echo_message "[$EDITORCONFIG_LIBRARY_DIR] or [$BIN_DIRECTORY] does not exist..."
    fi
}

function write_permissions_to_generator() {

    if [ -f "$GENERATOR_LOCATION" ] ; then
      if chmod +x "$GENERATOR_LOCATION" ; then
          echo_message "Sucessfully given write permissions to [$GENERATOR_LOCATION]"
      else
          echo_message "Unable to give write permissions to [$GENERATOR_LOCATION]"
      fi
    else
      echo_message "[$GENERATOR_LOCATION] doesn't exist"
    fi


}

remove_existing_generator
link_generator
link_generator_directory
write_permissions_to_generator

#ln -sf ~/.editorconfig-generator/lib/generator.rb /usr/local/bin/generator # Link the generator script to the bin path
#chmod +x /usr/local/bin/generator # Give the script appropriate permissions
#
#ln -sf ~/.editorconfig-generator/lib/editorconfig /usr/local/bin # Link the supporting files to the binary location