#!/usr/bin/env bash
# 测试环境发布:从干净的提交构建并替换 app 容器。
# 用法:bash scripts/release.sh            版本取根 deno.json
#       bash scripts/release.sh --no-build  只用已有镜像重建容器
# 前提:工作区干净、CHANGELOG.md 已写好本版本条目、所有成员包版本号一致。
# 做的事:打 tag v<版本>(已存在则须指向 HEAD)→ 写 .env.deploy 的 APP_VERSION / SOURCE_REVISION
#        → 构建镜像 → 只替换 app(启动时自动迁移)→ 等 healthy 并核对健康接口版本。
set -euo pipefail
cd "$(dirname "$0")/.."

ENV_FILE=.env.deploy
BUILD=1
[ "${1:-}" = "--no-build" ] && BUILD=0

die() { echo "✗ $*" >&2; exit 1; }

[ -f "$ENV_FILE" ] || die "缺少 $ENV_FILE"
[ -z "$(git status --porcelain)" ] || die "工作区有未提交的改动,先提交再发布(git status)"

version=$(deno eval --quiet 'console.log(JSON.parse(Deno.readTextFileSync("deno.json")).version)')
tag="v$version"
for f in apps/*/deno.json apps/web/package.json packages/*/deno.json; do
  v=$(deno eval --quiet "console.log(JSON.parse(Deno.readTextFileSync('$f')).version ?? '')")
  [ -z "$v" ] || [ "$v" = "$version" ] || die "$f 版本 $v 与根 deno.json $version 不一致"
done
grep -q "^## \[$version\]" CHANGELOG.md || die "CHANGELOG.md 还没有 ## [$version] 条目"

head=$(git rev-parse --short HEAD)
if git rev-parse -q --verify "refs/tags/$tag" >/dev/null; then
  [ "$(git rev-parse --short "$tag^{commit}")" = "$head" ] || die "$tag 已存在但不指向 HEAD($head)"
else
  git tag -a "$tag" -m "$tag"
  echo "已打 tag $tag → $head"
fi

set_env() {
  if grep -q "^$1=" "$ENV_FILE"; then sed -i "s|^$1=.*|$1=$2|" "$ENV_FILE"; else echo "$1=$2" >>"$ENV_FILE"; fi
}
set_env APP_VERSION "$tag"
set_env SOURCE_REVISION "$head"

compose() { docker compose --env-file "$ENV_FILE" "$@"; }
if [ $BUILD -eq 1 ]; then
  echo "▶ 构建 uhd-media-tool:$tag"
  compose build app
fi
echo "▶ 替换 app"
compose up -d --no-deps app

echo "▶ 等待 healthy"
cid=$(compose ps -q app)
for _ in $(seq 1 90); do
  st=$(docker inspect -f '{{.State.Health.Status}}' "$cid" 2>/dev/null || echo starting)
  [ "$st" = healthy ] && break
  [ "$st" = unhealthy ] && die "app unhealthy;看日志:docker compose --env-file $ENV_FILE logs --tail 100 app"
  sleep 2
done
[ "$st" = healthy ] || die "等待 healthy 超时"

port=$(grep -E '^UMT_PORT=' "$ENV_FILE" | cut -d= -f2)
health=$(curl -fsS "http://127.0.0.1:${port:-4380}/api/v1/health")
echo "$health" | grep -q "\"version\":\"$version\"" || die "健康接口版本不对:$health"
echo "✓ 已发布 $tag($head):$health"