#!/usr/bin/env bash
# =============================================================================
# 出包脚本（我方构建机上执行，现场用不到）
#
#   ./deployment/scripts/build-package.sh 1.0.1
#   TARGET_PLATFORM=linux/arm64 ./deployment/scripts/build-package.sh 1.0.1    # 鲲鹏/飞腾
#
# 版本号与 git tag 对应：出 1.0.1 的包就打 tag v1.0.1。
# 把 deployment/iw 与 deployment/ow 刷成两个可直接带走的完整部署包：
#   1. 后端 jar（mvn package，SKIP_JAR=1 跳过）
#   2. sfile-app:<版本> 镜像
#   3. 前端内/外网静态包 -> iw/web、ow/web（现场可直接改文件替换页面）
#   4. sql/01、sql/02（来自 backend/db）
#   5. images/*.tar + SHA256SUMS.txt（存一份到暂存目录再拷两侧，省一次 docker save）
#   6. 两侧 VERSION.txt，并把 .env 的 APP_IMAGE tag 对齐
#
# 不动两侧 volumes/（那是现场运行时数据）与 .env 里的口令。
# =============================================================================
set -euo pipefail

VER="${1:?用法：build-package.sh <版本号>，如 1.1.0}"
PLATFORM="${TARGET_PLATFORM:-linux/amd64}"
PLATFORM_TAG="$(echo "$PLATFORM" | tr -d '/:')"

HERE="$(cd "$(dirname "$0")" && pwd)"          # deployment/scripts
ROOT="$(cd "$HERE/../.." && pwd)"              # 仓库根
DEP="$ROOT/deployment"

APP_IMAGE="sfile-app:$VER"
WEB_TMP="sfile-web:pkg-$VER"                   # 只为导出前端静态包，不交付这个镜像
NGINX_IMAGE="nginx:1.27-alpine"
PG_IMAGE="postgres:18"
REDIS_IMAGE="redis:8"
MQ_IMAGE="rabbitmq:3.13-management-alpine"

APP_JAR="$ROOT/backend/target/s-file.jar"
STAGE="$DEP/.stage-images-$PLATFORM_TAG"

say() { printf '\n\033[1;36m==> %s\033[0m\n' "$1"; }
die() { printf '\033[1;31m!!! %s\033[0m\n' "$1" >&2; exit 1; }

[ -d "$DEP/iw" ] && [ -d "$DEP/ow" ] || die "找不到 deployment/iw 或 deployment/ow"

# 只重跑某几步：SKIP_JAR=1 SKIP_WEB=1 SKIP_SAVE=1
[ "${SKIP_JAR:-0}" = "1" ] || {
  say "1/6 构建后端 jar（JDK8）"
  [ -n "${JAVA_HOME:-}" ] || JAVA_HOME="/d/dev/jdk8/jdk8u504-b01"
  MVN="${MVN:-/d/dev/maven-tmp/apache-maven-3.8.8/bin/mvn}"
  command -v "$MVN" >/dev/null 2>&1 || die "找不到 maven：$MVN（用 MVN=<路径> 覆盖）"
  ( cd "$ROOT/backend" && "$MVN" -s /d/dev/maven-conf/settings.xml -q package -Dmaven.test.skip=true )
}
[ -s "$APP_JAR" ] || die "$APP_JAR 不存在或为空，先构建后端"
say "   使用 jar：$(ls -la "$APP_JAR" | awk '{print $5" 字节，"$6" "$7" "$8}')"

say "2/6 构建 $APP_IMAGE（平台 $PLATFORM）"
[ "$PLATFORM" = "linux/amd64" ] || say "   非 amd64 需要 buildx/QEMU 模拟器，慢属正常"
docker build --platform "$PLATFORM" -f "$ROOT/deploy/docker/Dockerfile.app" -t "$APP_IMAGE" "$ROOT/backend/target"

# 前端不打进镜像：静态包放 deployment/<侧>/web/，现场改页面直接替换文件
[ "${SKIP_WEB:-0}" = "1" ] || {
  say "3/6 构建前端并从临时镜像导出内/外网静态包"
  docker build --platform "$PLATFORM" -f "$ROOT/deploy/docker/Dockerfile.web" -t "$WEB_TMP" "$ROOT/frontend"
  cid="$(docker create "$WEB_TMP")"
  for side in iw ow; do
    src=/usr/share/nginx/$([ "$side" = iw ] && echo inside || echo outside)
    rm -rf "$DEP/$side/web"
    docker cp "$cid:$src" "$DEP/$side/web"
    [ -s "$DEP/$side/web/index.html" ] || die "$side/web 导出不完整（缺 index.html）"
    printf '   %-3s web/ %s\n' "$side" "$(du -sh "$DEP/$side/web" | cut -f1)"
  done
  docker rm "$cid" >/dev/null
  docker image rm "$WEB_TMP" >/dev/null 2>&1 || true
}

say "4/6 刷新 sql/（来自 backend/db）"
for side in iw ow; do
  cp "$ROOT/backend/db/init-table-postgres-full.sql" "$DEP/$side/sql/01-init-table.sql"
  cp "$ROOT/backend/db/init-data.sql"                "$DEP/$side/sql/02-init-data.sql"
  for u in "$ROOT"/backend/db/upgrade-*.sql; do cp "$u" "$DEP/$side/sql/upgrade/$(basename "$u")"; done
done

# Windows 上编辑器/工具很容易写出 CRLF：install.sh 带 \r 在 Linux 上第一行就报错，
# .env 的值尾部带 \r 会让口令/JWT 对不上。出包前把随包文本统一成 LF。
say "   统一随包文本为 LF"
for side in iw ow; do
  for f in $(find "$DEP/$side" -maxdepth 2 -type f \
              \( -name '*.sh' -o -name '*.yml' -o -name '*.sql' -o -name '*.conf' \
                 -o -name '*.md' -o -name '*.txt' -o -name '.env' \) \
              -not -path "*/images/*"); do
    tr -d '\r' < "$f" > "$f.lf" && mv "$f.lf" "$f"
  done
done

# ---------- 5. 镜像 tar ----------
for img in "$PG_IMAGE" "$REDIS_IMAGE" "$MQ_IMAGE" "$NGINX_IMAGE"; do
  docker image inspect "$img" >/dev/null 2>&1 || {
    say "   本机没有 $img，拉取 $PLATFORM 版本"
    docker pull --platform "$PLATFORM" "$img"
  }
done

[ "${SKIP_SAVE:-0}" = "1" ] || {
  say "5/6 docker save（先存暂存目录再拷两侧，约 640M × 2）"
  rm -rf "$STAGE"; mkdir -p "$STAGE"
  docker save -o "$STAGE/sfile-app.tar"   "$APP_IMAGE"
  docker save -o "$STAGE/nginx.tar"       "$NGINX_IMAGE"
  docker save -o "$STAGE/postgres.tar"    "$PG_IMAGE"
  docker save -o "$STAGE/redis.tar"       "$REDIS_IMAGE"
  docker save -o "$STAGE/rabbitmq.tar"    "$MQ_IMAGE"
  ( cd "$STAGE" && sha256sum *.tar > SHA256SUMS.txt )
  for side in iw ow; do
    mkdir -p "$DEP/$side/images"
    rm -f "$DEP/$side/images"/*.tar "$DEP/$side/images/SHA256SUMS.txt"
    cp "$STAGE"/*.tar "$STAGE/SHA256SUMS.txt" "$DEP/$side/images/"
  done
  rm -rf "$STAGE"
}

say "6/6 对齐 .env 的 APP_IMAGE tag 并写 VERSION.txt"
for side in iw ow; do
  sed -i -E "s|^APP_IMAGE=.*|APP_IMAGE=$APP_IMAGE|" "$DEP/$side/.env"
  {
    echo "s-file 部署包 $VER（$([ "$side" = iw ] && echo 内网机 iw || echo 外网机 ow)）"
    echo "构建平台: $PLATFORM"
    echo "导出时间: $(date '+%F %T')"
    echo "后端 jar: $(cd "$ROOT" && git rev-parse --short HEAD)（+ 未提交改动则与本仓库当前源码一致）"
    echo
    echo "镜像清单（sha256 见 images/SHA256SUMS.txt）:"
    for t in "$DEP/$side/images"/*.tar; do
      tags="$(tar -xOf "$t" manifest.json | tr -d '\n' \
              | { grep -oE '"RepoTags":\[[^]]*\]' || true; } | awk 'NR==1{print}')"
      printf '  %-18s %-8s %s\n' "$(basename "$t")" "$(du -h "$t" | cut -f1)" "${tags:-?}"
    done
    echo
    echo "前端静态包: web/（内网包/外网包已分别就位，改页面直接替换文件）"
    echo "SQL: sql/01-init-table.sql  sql/02-init-data.sql   老库增量: sql/upgrade/"
    echo
    echo "现场步骤（本机执行）:"
    echo "  1) 整目录拷到服务器，例如 /opt/sfile-$side && cd /opt/sfile-$side"
    echo "  2) vi .env      # 至少确认 MESHSAFE_ENABLED/SECRET、WEB_PORT、SFILE_DATA_ROOT、GATE_*"
    echo "  3) ./scripts/install.sh"
  } > "$DEP/$side/VERSION.txt"
done

say "完成"
for side in iw ow; do
  printf '  deployment/%s  %s（images %s）\n' "$side" "$(du -sh "$DEP/$side" | cut -f1)" "$(du -sh "$DEP/$side/images" | cut -f1)"
done
echo "  拷包即用：内网机拿 iw/，外网机拿 ow/，两份互不依赖"
echo "  提醒：images/*.tar 与 SHA256SUMS.txt 已被 .gitignore 排除，只走交付盘"