#!/bin/bash
set -euo pipefail

APP_PLATFORM=$1
ENVIRONMENT=$2
APP_MODE=${3:-legacy}

APP_DIR="apps/mobile_app"
PUBSPEC="$APP_DIR/pubspec.yaml"

case "$ENVIRONMENT" in
  "staging")
    PUBSPEC_VERSION=$(grep '^version:' "$PUBSPEC" | sed -E 's/^version:[[:space:]]+//')
    VERSION_NUMBER=${PUBSPEC_VERSION%+*}
    ENV_BUILD_NUMBER=${PUBSPEC_VERSION#*+}
    ;;
  "production")
    VERSION_NUMBER=$(echo "$CM_TAG" | sed -E 's/^v?([0-9]+(\.[0-9]+)+)\([0-9]+\)$/\1/')
    ENV_BUILD_NUMBER=$(echo "$CM_TAG" | sed -E 's/^v?[0-9]+(\.[0-9]+)+\(([0-9]+)\)$/\2/')
    if [ -z "$VERSION_NUMBER" ] || [ -z "$ENV_BUILD_NUMBER" ]; then
      echo "Tag inválido (esperado 1.0.0(N) o v1.0.0(N)): $CM_TAG"; exit 1
    fi
    ;;
  *)
    echo "ENVIRONMENT inválido: $ENVIRONMENT (esperado staging o production)"; exit 1 ;;
esac

cd "$APP_DIR"

COMMON_FLAGS=(
  --release
  --flavor "$ENVIRONMENT"
  -t "lib/main_$ENVIRONMENT.dart"
  --build-name="$VERSION_NUMBER"
  --build-number="$ENV_BUILD_NUMBER"
  --dart-define-from-file="config/$ENVIRONMENT.json"
  --dart-define=APP_MODE="$APP_MODE"
)

case "$APP_PLATFORM" in
  "android")
    flutter build appbundle "${COMMON_FLAGS[@]}"
    ;;
  "ios")
    flutter build ipa \
      "${COMMON_FLAGS[@]}" \
      --export-options-plist=/Users/builder/export_options.plist
    ;;
  *) echo "APP_PLATFORM inválido: $APP_PLATFORM (esperado android o ios)"; exit 1 ;;
esac

echo "Build OK: $APP_PLATFORM / $ENVIRONMENT / mode=$APP_MODE (v$VERSION_NUMBER+$ENV_BUILD_NUMBER)"