#!/usr/bin/env bash
# 切换 iOS SDK 引用方式，更新 sdk.properties 和 project.yml，然后重新生成 Xcode 项目
#
# 用法:
#   ./scripts/use-sdk.sh main          # SNAPSHOT: 使用 main 分支（最新代码）
#   ./scripts/use-sdk.sh 1.0.2         # Release: 使用指定 tag
#   ./scripts/use-sdk.sh local         # 本地调试: 使用本地 SDK 源码路径
#
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
GITEA_URL="https://xuqinmin.com/xuqmGroup/XuqmGroup-iOSSDK.git"
LOCAL_PATH="../../../XuqmGroup/XuqmGroup-iOSSDK"

usage() {
    echo "Usage: $0 <main|local|x.y.z>"
    echo "  main   — SNAPSHOT，引用 main 分支（开发期默认）"
    echo "  local  — 本地 SDK 源码路径（SDK 开发调试，不要提交此状态）"
    echo "  x.y.z  — 正式版本 tag（如 1.0.2）"
    exit 1
}

[[ $# -eq 1 ]] || usage
REF="$1"

cd "$PROJECT_DIR"

# ── 更新 sdk.properties ───────────────────────────────────────────────────────
sed -i '' "s/^SDK_REF=.*/SDK_REF=${REF}/" sdk.properties
echo "[use-sdk] sdk.properties → SDK_REF=${REF}"

# ── 生成 project.yml 的包引用块 ───────────────────────────────────────────────
if [[ "$REF" == "local" ]]; then
    PKG_BLOCK="packages:\n  XuqmGroupSDK:\n    path: ${LOCAL_PATH}"
    echo "[use-sdk] 模式: 本地路径 (${LOCAL_PATH})"
elif [[ "$REF" == "main" ]]; then
    PKG_BLOCK="packages:\n  XuqmGroupSDK:\n    url: ${GITEA_URL}\n    branch: main"
    echo "[use-sdk] 模式: SNAPSHOT (branch: main)"
else
    PKG_BLOCK="packages:\n  XuqmGroupSDK:\n    url: ${GITEA_URL}\n    from: \"${REF}\""
    echo "[use-sdk] 模式: Release (from: ${REF})"
fi

# ── 替换 project.yml 中的 packages 块 ────────────────────────────────────────
# 用 Python 替换 packages: 到下一个顶层 key 之间的内容
python3 - "$PKG_BLOCK" <<'PYEOF'
import sys, re

pkg_block = sys.argv[1]
with open('project.yml', 'r') as f:
    content = f.read()

# Replace from 'packages:' up to (but not including) the next top-level key
new_content = re.sub(
    r'^packages:.*?(?=^\w)',
    pkg_block.replace('\\n', '\n') + '\n\n',
    content,
    flags=re.MULTILINE | re.DOTALL
)
with open('project.yml', 'w') as f:
    f.write(new_content)
print("[use-sdk] project.yml 已更新")
PYEOF

# ── 重新生成 Xcode 项目 ───────────────────────────────────────────────────────
if command -v xcodegen &>/dev/null; then
    xcodegen generate
    echo "[use-sdk] xcodegen generate 完成"
else
    echo "[use-sdk] 警告: xcodegen 未安装，请手动运行 xcodegen generate"
fi