#!/usr/bin/env bash

# Generates a new run, webapp, or script file.

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

file=""
run="0"
webapp="0"
script="0"

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

  if [[ "$1" == "run" ]]; then
    run="1"
  elif [[ "$1" == "webapp" ]]; then
    webapp="1"
  elif [[ "$1" == "script" ]]; then
    script="1"
  else
    file="$1"
  fi
  shift
done

log() { echo "$1"; }

fail_if_exists() {
  if [[ -f $1 ]]; then
    log "file exists: $dest"
    exit 1
  fi
}

generate_run() {
  local dest="$DEV_ENV/runs/$file"
  fail_if_exists $dest
  log "Creating new run: $dest"
  cat >"$dest" <<'EOF'
#!/usr/bin/env bash

yay ${1:-"-S --noconfirm"} # packages

EOF
  chmod +x $dest
}

generate_webapp() {
  local dest="$DEV_ENV/env/webapps/$file"
  # Check that the destination ends with '.json', fix if not.
  if [[ ! $dest =~ \.json$ ]]; then
    dest="$dest.json"
  fi
  fail_if_exists $dest
  log "Creating new webapp: $dest"
  cat >"$dest" <<'EOF'
{
  "name": "My App",
  "url": "https://example.com",
  "icon": "https://icon.com"
}
EOF

}

generate_script() {
  local dest="$DEV_ENV/env/.local/scripts/$file"
  fail_if_exists $dest
  log "Creating new script: $dest"
  cat >"$dest" <<'EOF'
#!/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"}

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

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

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

log "Starting $THIS..."

EOF
  chmod +x $dest
  echo $dest
}

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

if [[ -z "$file" ]]; then
  log "No file name supplied."
  exit 1
fi

if [[ $run == "1" ]]; then
  generate_run
elif [[ $webapp == "1" ]]; then
  generate_webapp
elif [[ $script == "1" ]]; then
  generate_script
else
  log "Must supply either \"run\", \"webapp\", or \"script\" option."
  exit 1
fi