#!/usr/bin/env bash

THIS=$(basename ${BASH_SOURCE[0]})

usage() {
  cat <<EOF

A fuzzy finder to launch utility applications / scripts from a single menu.

USAGE:

  $ $THIS [OPTIONS]

OPTIONS:

  -c | --config <file>:      Set the location of the configuration file (default: XDG_CONFIG_HOME/utils-launcher/config.json)
  -l | --launch:             Launches in a new terminal window.

EOF
}

window_class="com.ghostty.$THIS"
window_padding_x="2"

config_file=""
launch_flag="0"

XDG_CONFIG_HOME=${XDG_CONFIG_HOME}
SCRIPTS=${SCRIPTS}

while [[ $# -gt 0 ]]; do
  if [[ $1 == "-c" ]] || [[ $1 == "--config" ]]; then
    shift
    config_file="$1"
  elif [[ $1 == "-l" ]] || [[ $1 == "--launch" ]]; then
    launch_flag="1"
  fi
  shift
done

if [[ -z $XDG_CONFIG_HOME ]]; then
  echo "XDG_CONFIG_HOME not set"
  echo "using ~/.config"
  XDG_CONFIG_HOME=$HOME/.config
fi

launch() {
  ghostty --class=$window_class --window-padding-x=$window_padding_x \
    --keybind="ctrl+c=quit" \
    -e ${BASH_SOURCE[0]} --config $config_file
}

footer() {
  cat <<'EOF'
   __  ______________   _____
  / / / /_  __/  _/ /  / ___/
 / / / / / /  / // /   \__ \ 
/ /_/ / / / _/ // /______/ / 
\____/ /_/ /___/_____/____/  
                             
EOF
}

################################################################################
# MAIN
################################################################################

if [[ -z $config_file ]]; then
  echo "No config file set."
  echo "Using ~/.config/utils-launcher/config.json"
  config_file="$XDG_CONFIG_HOME/utils-launcher/config.json"
fi

if [[ -z $SCRIPTS ]]; then
  echo "SCRIPTS not set"
  echo "using ~/.local/scripts"
  SCRIPTS=$HOME/.local/scripts
fi

if [[ $launch_flag == "1" ]]; then
  launch && exit 0
fi

if [[ ! -f $config_file ]]; then
  echo "[ERROR]: no config file set" && exit 1
fi

file_data=$(cat $config_file)

# Setup colors before calling fzf.
[[ -f $SCRIPTS/catppuccin-colors ]] && source $SCRIPTS/catppuccin-colors
sel=$(echo "$file_data" | jq -r '.[] | .name' | fzf --style=full --footer="$(footer)")

echo "Selection: $sel"

if [[ -n "$sel" ]]; then
  # Load the exec command for the selection.
  exec_cmd=$(echo $file_data | jq -r ".[] | select(.name == \"$sel\") | .exec")

  echo "Exec: '$exec_cmd'"
  if [[ -z $exec_cmd ]]; then
    echo "[ERROR]: Command is empty." && exit 1
  fi
  eval exec uwsm app -- "$exec_cmd"
else
  echo "No selection."
fi