#!/bin/bash
# 纳海川官网自动部署脚本
set -e

DEPLOY_DIR="/www/wwwroot/www.gynhc.com"
LOG_FILE="${DEPLOY_DIR}/runtime/deploy.log"
TARGET_BRANCH="${1:-master}"
DATE=$(date '+%Y-%m-%d %H:%M:%S')

echo "[${DATE}] >>> 开始部署分支: ${TARGET_BRANCH}..." >> "${LOG_FILE}"

cd "${DEPLOY_DIR}"

# 验证是否为 git 仓库
if [ ! -d ".git" ]; then
    echo "[${DATE}] 错误: ${DEPLOY_DIR} 尚未初始化为 Git 仓库" >> "${LOG_FILE}"
    echo "Git repo not initialized"
    exit 1
fi

# 线上单独发布的页面必须先同步到仓库，避免硬重置覆盖已确认的改版。
# 数据库配置由下方单独保护；部署脚本自身允许独立安装此检查。
if ! git diff --quiet HEAD -- . ':(exclude)application/database.php' ':(exclude)deploy.sh'; then
    echo "[${DATE}] 部署已停止：线上存在尚未同步到仓库的修改，请先核对并同步版本。" >> "${LOG_FILE}"
    echo "Deploy stopped: live changes must be reconciled before reset."
    exit 1
fi

# 备份关键环境配置
if [ -f "application/database.php" ]; then
    cp -p application/database.php application/database.php.deploy_bak
fi

# 忽略文件权限变化
git config core.fileMode false

# 拉取最新代码并硬重置
echo "[${DATE}] 执行 git fetch origin ${TARGET_BRANCH}..." >> "${LOG_FILE}"
git fetch origin "${TARGET_BRANCH}" >> "${LOG_FILE}" 2>&1
git reset --hard "origin/${TARGET_BRANCH}" >> "${LOG_FILE}" 2>&1

# 还原配置文件保护
if [ -f "application/database.php.deploy_bak" ]; then
    cp -p application/database.php.deploy_bak application/database.php
    rm -f application/database.php.deploy_bak
fi

# 保持目录可写
chmod -R 777 runtime 2>/dev/null || true
chmod -R 775 public/uploads 2>/dev/null || true

# 平滑重启 PHP-FPM 刷新 OPcache
if [ -x "/etc/init.d/php-fpm-73" ]; then
    if command -v sudo >/dev/null 2>&1; then
        sudo -n /etc/init.d/php-fpm-73 reload >> "${LOG_FILE}" 2>&1 || true
    else
        /etc/init.d/php-fpm-73 reload >> "${LOG_FILE}" 2>&1 || true
    fi
fi

COMMIT_INFO=$(git log -1 --pretty=format:"%h - %s (%an, %cd)")
echo "[${DATE}] 当前最新版本: ${COMMIT_INFO}" >> "${LOG_FILE}"
echo "[${DATE}] >>> 部署成功" >> "${LOG_FILE}"

echo "Deploy success: ${COMMIT_INFO}"