#!/bin/bash

# 出错即停
set -e

# 自动使用 .fvmrc 中指定的 Flutter 版本（避免使用 PATH 里的系统 flutter 导致依赖冲突）
if [ -f "./.fvmrc" ]; then
  FVM_VERSION=$(grep -o '"flutter"[[:space:]]*:[[:space:]]*"[^"]*"' .fvmrc | sed -E 's/.*"([^"]+)"$/\1/')
  if [ -n "$FVM_VERSION" ] && [ -x "$HOME/fvm/versions/$FVM_VERSION/bin/flutter" ]; then
    export PATH="$HOME/fvm/versions/$FVM_VERSION/bin:$PATH"
    echo "🔧 使用 FVM Flutter 版本: $FVM_VERSION"
  fi
fi

# 参数说明
if [ $# -lt 1 ]; then
  printf -- "Build hgdj release package.\n\n"
  printf -- "Usage: $0 <target> [mode] [export_method] [export_options_plist] [sign_mode]\n"
  printf -- "  target               : a(android) | i(ios) | all\n"
  printf -- "  mode                 : release(默认) | debug | profile\n"
  printf -- "  export_method (iOS)  : app-store(默认) | ad-hoc | development | enterprise\n"
  printf -- "  export_options_plist : ExportOptions.plist 路径（iOS 可选，留空用默认）\n"
  printf -- "  sign_mode (iOS)      : codesign(默认) | nocodesign\n\n"
  printf -- "Examples:\n"
  printf -- "  $0 a                                          # Android release\n"
  printf -- "  $0 a debug                                    # Android debug\n"
  printf -- "  $0 i                                          # iOS release + app-store\n"
  printf -- "  $0 i release ad-hoc                           # iOS release + ad-hoc\n"
  printf -- "  $0 i release app-store ios/ExportOptions.plist\n"
  printf -- "  $0 i release app-store \"\" nocodesign          # iOS 不签名出包\n"
  printf -- "  $0 all                                        # Android + iOS release\n"
  exit 1
fi

TARGET=$1
MODE=${2:-release}
EXPORT_METHOD=${3:-app-store}
EXPORT_OPTIONS_PLIST=${4:-}
SIGN_MODE=${5:-codesign}

# 参数校验
if [ "$TARGET" != "a" ] && [ "$TARGET" != "i" ] && [ "$TARGET" != "all" ]; then
  echo "❌ 参数错误：target 只支持 a | i | all，你传的是 '$TARGET'"
  exit 1
fi

if [ "$MODE" != "release" ] && [ "$MODE" != "debug" ] && [ "$MODE" != "profile" ]; then
  echo "❌ 参数错误：mode 只支持 release | debug | profile，你传的是 '$MODE'"
  exit 1
fi

case "$EXPORT_METHOD" in
  app-store|ad-hoc|development|enterprise) ;;
  *)
    echo "❌ 参数错误：export_method 只支持 app-store | ad-hoc | development | enterprise，你传的是 '$EXPORT_METHOD'"
    exit 1
    ;;
esac

if [ "$SIGN_MODE" != "codesign" ] && [ "$SIGN_MODE" != "nocodesign" ]; then
  echo "❌ 参数错误：sign_mode 只支持 codesign | nocodesign，你传的是 '$SIGN_MODE'"
  exit 1
fi

if [ -n "$EXPORT_OPTIONS_PLIST" ] && [ ! -f "$EXPORT_OPTIONS_PLIST" ]; then
  echo "❌ 未找到 ExportOptions.plist：$EXPORT_OPTIONS_PLIST"
  exit 1
fi

# 项目根路径校验
if [ ! -f "./pubspec.yaml" ]; then
  echo "❌ 请在项目根目录下执行此脚本"
  exit 1
fi

PROJECT_PATH=$(pwd)
PUBSPEC_FILE="pubspec.yaml"

# 提取项目信息
APP_NAME=$(grep '^name:' "$PUBSPEC_FILE" | awk '{print $2}')
RAW_VERSION=$(grep '^version:' "$PUBSPEC_FILE" | awk '{print $2}')
SAFE_VERSION=${RAW_VERSION//+/_}
TIME_TAG=$(date +"%m%d-%H%M")

# 读取应用内 Config.isDebug（lib/config/config.dart），决定产物命名标识：
# isDebug=true  → 命名标识固定为 debug（如 hgdj_debug_xxxx），方便区分内测包
# isDebug=false → 正式环境，命名沿用构建模式（release/profile），保持不变
CONFIG_FILE="lib/config/config.dart"
CONFIG_DEBUG=$(grep -E 'static[[:space:]]+const[[:space:]]+isDebug[[:space:]]*=' "$CONFIG_FILE" 2>/dev/null | grep -oE 'true|false' | head -1)
if [ "$CONFIG_DEBUG" = "true" ]; then
  BUILD_TAG="debug"
elif [ "$CONFIG_DEBUG" = "false" ]; then
  BUILD_TAG="$MODE"
else
  echo "⚠️  未能从 $CONFIG_FILE 解析 Config.isDebug，命名回退为构建模式：$MODE"
  BUILD_TAG="$MODE"
fi

DIST_DIR="./dist"
mkdir -p "$DIST_DIR"

# 打印信息并二次确认
echo "=========================================="
echo "📦 准备打包"
echo "📌 项目名:    $APP_NAME"
echo "📌 版本号:    $RAW_VERSION"
echo "📌 目标平台:  $TARGET"
echo "📌 构建模式:  $MODE"
echo "📌 Config.isDebug: ${CONFIG_DEBUG:-未知}  → 命名标识: $BUILD_TAG"
if [ "$TARGET" = "i" ] || [ "$TARGET" = "all" ]; then
  echo "📌 iOS 导出:  $EXPORT_METHOD"
  echo "📌 iOS 签名:  $SIGN_MODE"
  if [ -n "$EXPORT_OPTIONS_PLIST" ]; then
    echo "📌 ExportOptions.plist: $EXPORT_OPTIONS_PLIST"
  fi
fi
echo "📌 工程路径:  $PROJECT_PATH"
echo "=========================================="
echo "确认无误？(按回车继续，Ctrl+C 取消)"
read -r CONFIRM

# Android 构建
build_android() {
  echo "▶️  开始构建 Android $MODE 包..."

  if [ "$MODE" = "release" ]; then
    flutter build apk --release --target-platform android-arm64
    APK_SOURCE="build/app/outputs/flutter-apk/app-release.apk"
  elif [ "$MODE" = "profile" ]; then
    flutter build apk --profile --target-platform android-arm64
    APK_SOURCE="build/app/outputs/flutter-apk/app-profile.apk"
  else
    flutter build apk --debug --target-platform android-arm64
    APK_SOURCE="build/app/outputs/flutter-apk/app-debug.apk"
  fi

  if [ ! -f "$APK_SOURCE" ]; then
    echo "❌ 构建失败，未找到 APK：$APK_SOURCE"
    exit 1
  fi

  APK_NAME="${APP_NAME}_${BUILD_TAG}_${SAFE_VERSION}_${TIME_TAG}.apk"
  APK_DEST="${DIST_DIR}/${APK_NAME}"
  cp "$APK_SOURCE" "$APK_DEST"

  APK_SIZE=$(du -h "$APK_DEST" | awk '{print $1}')
  echo "✅ Android 构建成功！"
  echo "📁 输出路径: $APK_DEST"
  echo "📏 文件大小: $APK_SIZE"
  LAST_BUILT_FILE="$APK_DEST"
}

# iOS 构建（基于 flutter build ipa，一步出 ipa）
build_ios() {
  echo "▶️  开始构建 iOS $MODE 包..."

  if [ "$MODE" = "debug" ]; then
    echo "⚠️  iOS 不支持 debug 模式打包，请使用 release 或 profile（debug 建议直接 flutter run）"
    exit 1
  fi

  IPA_OUTPUT_DIR="build/ios/ipa"
  ARCHIVE_OUTPUT_DIR="build/ios/archive"

  if [ "$MODE" = "release" ]; then
    if [ "$SIGN_MODE" = "nocodesign" ]; then
      flutter build ipa --release --no-codesign
    elif [ -n "$EXPORT_OPTIONS_PLIST" ]; then
      flutter build ipa --release --export-options-plist="$EXPORT_OPTIONS_PLIST"
    else
      flutter build ipa --release --export-method "$EXPORT_METHOD"
    fi
  else
    if [ "$SIGN_MODE" = "nocodesign" ]; then
      flutter build ipa --profile --no-codesign
    elif [ -n "$EXPORT_OPTIONS_PLIST" ]; then
      flutter build ipa --profile --export-options-plist="$EXPORT_OPTIONS_PLIST"
    else
      flutter build ipa --profile --export-method "$EXPORT_METHOD"
    fi
  fi

  # 查找产物 ipa
  IPA_SOURCE=""
  for candidate in "$IPA_OUTPUT_DIR"/*.ipa; do
    if [ -f "$candidate" ]; then
      IPA_SOURCE="$candidate"
      break
    fi
  done

  if [ -z "$IPA_SOURCE" ]; then
    if [ "$SIGN_MODE" = "nocodesign" ]; then
      if [ -d "$ARCHIVE_OUTPUT_DIR" ]; then
        echo "⚠️  未签名模式下 Flutter 通常不会导出可安装的 IPA"
        echo "✅ 未签名构建产物目录：$ARCHIVE_OUTPUT_DIR"
        echo "📌 如需可安装/可上传的 IPA，请在 Xcode 配好 Team 和证书后用 codesign 模式重新打包"
        LAST_BUILT_FILE=""
        return
      fi
      echo "❌ 未签名构建完成，但未找到 archive 目录：$ARCHIVE_OUTPUT_DIR"
      exit 1
    fi
    echo "❌ 构建结束，但未找到 IPA 文件：$IPA_OUTPUT_DIR/*.ipa"
    echo "📌 通常是签名证书、Provisioning Profile 或 ExportOptions 配置有问题"
    echo "📌 可以先试不签名出包：$0 i $MODE $EXPORT_METHOD \"$EXPORT_OPTIONS_PLIST\" nocodesign"
    exit 1
  fi

  # 与 apk 命名对齐：去掉冗余的 ios 标识(后缀已区分平台)，导出方式去连字符(ad-hoc→adhoc)
  IPA_NAME="${APP_NAME}_${BUILD_TAG}_${EXPORT_METHOD//-/}_${SAFE_VERSION}_${TIME_TAG}.ipa"
  IPA_DEST="${DIST_DIR}/${IPA_NAME}"
  cp "$IPA_SOURCE" "$IPA_DEST"

  IPA_SIZE=$(du -h "$IPA_DEST" | awk '{print $1}')
  echo "✅ iOS 构建成功！"
  echo "📁 输出路径: $IPA_DEST"
  echo "📏 文件大小: $IPA_SIZE"
  LAST_BUILT_FILE="$IPA_DEST"
}

# 分发
case "$TARGET" in
  a)   build_android ;;
  i)   build_ios ;;
  all) build_android; build_ios ;;
esac

# 自动在 Finder 中打开并选中产物（仅 macOS）
if [[ "$OSTYPE" == "darwin"* ]]; then
  if [ -n "$LAST_BUILT_FILE" ] && [ -f "$LAST_BUILT_FILE" ]; then
    open -R "$LAST_BUILT_FILE"
  else
    open "$DIST_DIR"
  fi
fi

echo "🎉 完成"