#!/bin/bash
#
# Lenvi Smart Composer Wrapper
#
# This script automatically detects the required PHP version for a project
# by looking for a `Lenvi.yaml` file and uses the correct PHP binary.

# The real composer binary
COMPOSER_PHAR="/usr/local/bin/composer.phar"
DEFAULT_PHP_BINARY="/usr/bin/php"
PHP_BINARY=""

# Find the project root by looking for a Lenvi.yaml file in parent directories
SEARCH_DIR=$(pwd)
while [[ "$SEARCH_DIR" != "" && ! -f "$SEARCH_DIR/Lenvi.yaml" ]]; do
  SEARCH_DIR=${SEARCH_DIR%/*}
done

if [[ -f "$SEARCH_DIR/Lenvi.yaml" ]]; then
  # We found a config file, let's find the PHP version for the current directory
  CURRENT_PROJECT_ROOT=$(pwd)
  PHP_VERSION=$(yq eval '.sites[] | select(.project_root == "'"$CURRENT_PROJECT_ROOT"'") | .php_version' "$SEARCH_DIR/Lenvi.yaml")

  if [[ -n "$PHP_VERSION" && -x "/usr/bin/php$PHP_VERSION" ]]; then
    # Version found and the corresponding PHP binary exists
    PHP_BINARY="/usr/bin/php$PHP_VERSION"
    echo "Lenvi: Found project configuration. Using PHP $PHP_VERSION..." >&2
  fi
fi

# If no specific PHP binary was found, use the system default
if [[ -z "$PHP_BINARY" ]]; then
  echo "Lenvi: No project configuration found. Using default system PHP." >&2
  PHP_BINARY="$DEFAULT_PHP_BINARY"
fi

# Execute the real Composer with the determined PHP version and pass all arguments
exec "$PHP_BINARY" "$COMPOSER_PHAR" "$@"