#!/usr/bin/env bash
set -euo pipefail

show_help() {
  cat <<'EOF'
sf-web-login — wrapper for `sf org login web`

USAGE:
  sf-web-login [-al <ALIAS>] [-in <INSTANCE_URL>] [-ud] [-hp] [-ve]

OPTIONS:
  -al   Alias for the authenticated org (passes --alias)
  -in   Instance URL to authenticate against (passes --instance-url)
  -ud   Update default org after login (passes --set-default)
  -ve   Enable verbose output
  -hp   Show this help

EXAMPLES:
  1) Login to production with alias:
     sf-web-login -al NUSHUB-PROD

  2) Login to specific instance with alias and set as default:
     sf-web-login -al MySandbox -in https://test.my-domain.my.salesforce.com -ud

  3) Simple login (will prompt for alias):
     sf-web-login
EOF
}

ALIAS=""
INSTANCE_URL=""
SET_DEFAULT=0
VERBOSE=0

# If no args → show help + examples and exit without error
if [[ $# -eq 0 ]]; then
  show_help
  exit 0
fi

# Parse command line arguments using manual parsing for two-character options
while [[ $# -gt 0 ]]; do
    case $1 in
        -al)
            ALIAS="$2"
            shift 2
            ;;
        -in)
            INSTANCE_URL="$2"
            shift 2
            ;;
        -ud)
            SET_DEFAULT=1
            shift
            ;;
        -ve)
            VERBOSE=1
            shift
            ;;
        -hp)
            show_help
            exit 0
            ;;
        *)
            echo "Unknown option: $1" >&2
            echo
            show_help
            exit 1
            ;;
    esac
done

# Silent environment check - verify SF CLI is available
if ! command -v sf >/dev/null 2>&1; then
  echo "❌ Salesforce CLI (sf) not found!"
  echo
  echo "Running environment check to help you get started..."
  echo
  
  # Try to find and run sf-check in the same directory as this script
  SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
  if [[ -x "$SCRIPT_DIR/sf-check" ]]; then
    "$SCRIPT_DIR/sf-check"
  elif command -v sf-check >/dev/null 2>&1; then
    sf-check
  else
    echo "sf-check not found. Please install the Salesforce CLI from:"
    echo "https://developer.salesforce.com/tools/sfdxcli"
  fi
  exit 1
fi

CMD=(sf org login web)

[[ -n "$ALIAS" ]] && CMD+=(--alias "$ALIAS")
[[ -n "$INSTANCE_URL" ]] && CMD+=(--instance-url "$INSTANCE_URL")
[[ $SET_DEFAULT -eq 1 ]] && CMD+=(--set-default)

if [[ $VERBOSE -eq 1 ]]; then
  echo "🔐 Starting Web Login"
  echo "===================="
  [[ -n "$ALIAS" ]] && echo "Alias: $ALIAS"
  [[ -n "$INSTANCE_URL" ]] && echo "Instance URL: $INSTANCE_URL"
  [[ $SET_DEFAULT -eq 1 ]] && echo "Will set as default org: Yes"
  echo
fi

echo ">>> Running: ${CMD[*]}"
exec "${CMD[@]}"