#!/bin/bash
set -euo pipefail
LOGFILE="$HOME/.local/logs/steamos-select-branch.log"

log() { echo "[$(date --iso-8601=seconds)] $*" | tee -a "$LOGFILE"; }

if [[ $# -eq 1 ]]; then
  case "$1" in
    "-c")
      log "Current branch requested"
      echo "stable"
      exit 0
      ;;
    "-l")
      log "Listing available branches"
      exit 0
      ;;
    "rel")
      log "Legacy branch 'rel' requested"
      exit 0
      ;;
    "stable" | "rc" | "beta" | "bc" | "preview" | "pc" | "main" | "staging")
      log "Branch '$1' requested"      
      exit 0
      ;;
  esac
fi

echo "Usage: steamos-select-branch <-c|-l|rel|rc|beta|bc|preview|pc|main>" 1>&2