#!/usr/bin/env bash

script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"

if [ -z "$DEV_ENV" ]; then
  echo "env var DEV_ENV needs to be present"
  exit 1
fi

# if i just did DEV_ENV=$(pwd) ./run then this is needed for the rest of the
# scripts
export DEV_ENV="$DEV_ENV"

grep=""
dry_run="0"
uninstall="0"
create="0"

while [[ $# -gt 0 ]]; do
  echo "ARG: \"$1\""

  # Handle a --dry or --dry-run argument
  if [[ "$1" =~ ^--dry ]]; then
    dry_run="1"
  # Handle an --uninstall argument
  elif [[ "$1" =~ ^--u ]]; then
    uninstall="1"
  # Handle an --uninstall argument
  elif [[ "$1" =~ ^--c ]]; then
    create="1"
  # Handle an --install argument (default)
  elif [[ ! "$1" =~ ^--i ]]; then
    grep="$1"
  fi
  shift
done

log() {
  if [[ $dry_run == "1" ]]; then
    echo "[DRY_RUN]: $1"
  else
    echo "$1"
  fi
}

generate-new-run() {
  local file="$script_dir/runs/$1"
  if [ -f "$file" ]; then
    log "File exists: $file"
    exit 1
  fi

  log "Creating new run: $file"

  printf "#!/usr/bin/env bash\n\n" >$file
  printf "yay \${1:-\"-S --noconfirm\"} # packages\n" >>$file

  chmod +x $file
}

run() {
  local script=$1
  local flag=$2
  log "running script: $script $flag"

  local actual_flags="-S --noconfirm"

  if [[ $flag == "--uninstall" ]]; then
    actual_flags="-Rns"
  fi
  log "ok, here's the actual script:: $s $actual_flags"

  if [[ $dry_run == "0" ]]; then
    $script $actual_flags
  fi

}

if [[ "$create" == "1" ]]; then
  generate-new-run "$grep"
  exit 0
fi

log "RUN: env: $env -- grep: $grep"

runs_dir=$(find $script_dir/runs -mindepth 1 -maxdepth 1 -executable)

for s in $runs_dir; do
  if basename $s | grep -vq "$grep"; then
    log "grep \"$grep\" filtered out $s"
    continue
  fi

  if [[ $uninstall == "1" ]]; then
    run $s --uninstall
  else
    run $s --install
  fi
done