#!/usr/bin/env bash

set -e
set -o nounset
set -o pipefail

SCRIPTS=${SCRIPTS:-$HOME/.local/scripts}
THIS_FILE=${BASH_SOURCE[0]}
LOG_LABEL=$(basename "$THIS_FILE")
THIS=${THIS:-$LOG_LABEL}
LOG_FILE=${LOG_FILE:-"/tmp/$LOG_LABEL.log"}

window_class="com.ghostty.$THIS"
window_padding_x="10"

usage() {
  cat <<EOF

Utility for monitor controls.

USAGE:

  $ $THIS <command> <flags>

FLAGS:
  -h | --help:          Show this help page.

COMMANDS:
  launch:               Launch in a new terminal window.
  picker:               Shows information about the monitor(s).
  toggle:               Enable/disable a connected monitor.


Run "$THIS <command> --help" for more information about a command.

EOF
}

# Logging utility function, use in place of echo.
log() {
  logging log --source "$THIS_FILE" "$@"
}

launch_usage() {
  cat <<EOF

Launches a new terminal window that runs the given '$THIS' command. If no command
is supplied, then it will launch the picker command.

USAGE:

  $ $THIS launch <command> <flags>

FLAGS:
  -h | --help:          Show this help page.

Run "$THIS --help" to show available commands that can ba launched in the new window.

EOF
}

launch() {

  if [[ $@ =~ ^-h ]] || [[ $@ =~ ^--help ]]; then
    launch_usage && exit 0
  fi

  log "Launching terminal..."

  ghostty --class=$window_class --window-padding-x=$window_padding_x \
    --keybind="ctrl+c=quit" \
    -e $THIS_FILE "$@"
}

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

# Setup logging file and label.
source "$SCRIPTS/hypr/logging"
setup-logging "$LOG_FILE" "$LOG_LABEL"

log "Starting args: '$@'"

while [[ $# -gt 0 ]]; do
  if [[ $1 == "launch" ]]; then
    shift
    if [[ -z "$@" ]]; then
      launch picker && exit $?
    else
      launch "$@" && exit $?
    fi
  elif [[ $1 == "picker" ]]; then
    shift
    log "Showing picker..."
    THIS="$THIS picker" "$SCRIPTS/hypr/utils/monitors/monitor-picker" "$@"
    exit $?
  elif [[ $1 == "toggle" ]]; then
    shift
    THIS="$THIS picker" "$SCRIPTS/hypr/utils/monitors/monitor-toggle" "$@"
    exit $?
  elif [[ $1 == "-h" ]] || [[ $1 == "--help" ]]; then
    usage && exit 0
  else
    log --error "Unhandle command: $1" && exit 1
  fi
  shift
done

# If we've reached here then no commands were passed / handled.
usage && exit 1