#!/usr/bin/env bash
set -euo pipefail

# ─────────────────────────────────────────────
#  CTMS 一键安装脚本
# ─────────────────────────────────────────────

TARGET_ENV=""
BASE_URL=""
ASSUME_YES=0
SKIP_BUILD=0
SKIP_MIGRATE=0
VERBOSE=0
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
ENV_FILE="$ROOT_DIR/.env"
LOG_DIR="$ROOT_DIR/.install-logs"

# ── 颜色 & 样式 ──────────────────────────────
_has_color() { [[ -t 1 ]] && command -v tput >/dev/null 2>&1 && [[ "$(tput colors 2>/dev/null)" -ge 8 ]]; }

if _has_color; then
  C_RESET="$(tput sgr0)"
  C_BOLD="$(tput bold)"
  C_DIM="$(tput dim 2>/dev/null || printf '')"
  C_BLUE="$(tput setaf 4)"
  C_CYAN="$(tput setaf 6)"
  C_GREEN="$(tput setaf 2)"
  C_YELLOW="$(tput setaf 3)"
  C_RED="$(tput setaf 1)"
  C_WHITE="$(tput setaf 7)"
else
  C_RESET="" C_BOLD="" C_DIM="" C_BLUE="" C_CYAN=""
  C_GREEN="" C_YELLOW="" C_RED="" C_WHITE=""
fi

# ── 输出函数 ─────────────────────────────────

_banner() {
  printf '\n'
  printf '%s╔══════════════════════════════════════════════╗%s\n' "${C_BLUE}${C_BOLD}" "${C_RESET}"
  printf '%s║%s  ██████╗████████╗███╗   ███╗███████╗       %s║%s\n' "${C_BLUE}${C_BOLD}" "${C_CYAN}" "${C_BLUE}" "${C_RESET}"
  printf '%s║%s ██╔════╝╚══██╔══╝████╗ ████║██╔════╝       %s║%s\n' "${C_BLUE}${C_BOLD}" "${C_CYAN}" "${C_BLUE}" "${C_RESET}"
  printf '%s║%s ██║        ██║   ██╔████╔██║███████╗       %s║%s\n' "${C_BLUE}${C_BOLD}" "${C_CYAN}" "${C_BLUE}" "${C_RESET}"
  printf '%s║%s ██║        ██║   ██║╚██╔╝██║╚════██║       %s║%s\n' "${C_BLUE}${C_BOLD}" "${C_CYAN}" "${C_BLUE}" "${C_RESET}"
  printf '%s║%s ╚██████╗   ██║   ██║ ╚═╝ ██║███████║       %s║%s\n' "${C_BLUE}${C_BOLD}" "${C_CYAN}" "${C_BLUE}" "${C_RESET}"
  printf '%s║%s  ╚═════╝   ╚═╝   ╚═╝     ╚═╝╚══════╝       %s║%s\n' "${C_BLUE}${C_BOLD}" "${C_CYAN}" "${C_BLUE}" "${C_RESET}"
  printf '%s║%s         临床试验管理系统  安装程序           %s║%s\n' "${C_BLUE}${C_BOLD}" "${C_DIM}${C_WHITE}" "${C_BLUE}" "${C_RESET}"
  printf '%s╚══════════════════════════════════════════════╝%s\n' "${C_BLUE}${C_BOLD}" "${C_RESET}"
  printf '\n'
}

log()  { printf '  %s·%s %s\n' "${C_DIM}" "${C_RESET}" "$*"; }
ok()   { printf '  %s✔%s %s\n' "${C_GREEN}${C_BOLD}" "${C_RESET}" "$*"; }
warn() { printf '  %s⚠%s  %s\n' "${C_YELLOW}${C_BOLD}" "${C_RESET}" "$*" >&2; }

step() {
  local idx="${_STEP_IDX:-0}"
  _STEP_IDX=$(( idx + 1 ))
  printf '\n%s┌─ 步骤 %s · %s%s\n' \
    "${C_BLUE}${C_BOLD}" "$_STEP_IDX" "$*" "${C_RESET}"
}

fail() {
  printf '\n  %s✖  安装中止%s\n' "${C_RED}${C_BOLD}" "${C_RESET}" >&2
  printf '  %s%s%s\n\n' "${C_RED}" "$*" "${C_RESET}" >&2
  exit 1
}

run() {
  printf '  %s$%s %s%s%s\n' "${C_DIM}" "${C_RESET}" "${C_WHITE}" "$*" "${C_RESET}"
  "$@"
}

compose_cmd() {
  if [[ "$TARGET_ENV" == "dev" ]]; then
    docker compose -f "$ROOT_DIR/docker-compose.dev.yaml" "$@"
  else
    docker compose "$@"
  fi
}

# 运行长命令，默认折叠输出。失败或 --verbose 时回放完整日志。
# 用法: run_quiet <提示语> -- <命令...>
run_quiet() {
  local label="$1"; shift
  [[ "${1:-}" == "--" ]] && shift

  if [[ "$VERBOSE" -eq 1 ]]; then
    printf '  %s$%s %s%s%s\n' "${C_DIM}" "${C_RESET}" "${C_WHITE}" "$*" "${C_RESET}"
    "$@"
    return $?
  fi

  mkdir -p "$LOG_DIR"
  local log_file
  log_file="$(mktemp "$LOG_DIR/cmd_XXXXXXXX")"
  local start_ts elapsed exit_code
  start_ts="$(date +%s)"

  set +e
  if [[ -t 1 ]]; then
    "$@" >"$log_file" 2>&1 &
    local cmd_pid=$!
    _spinner_for "$cmd_pid" "$label" "$start_ts" &
    local spin_pid=$!
    wait "$cmd_pid"
    exit_code=$?
    kill "$spin_pid" 2>/dev/null || true
    wait "$spin_pid" 2>/dev/null || true
    printf '\r\033[K'
  else
    printf '  · %s …\n' "$label"
    "$@" >"$log_file" 2>&1
    exit_code=$?
  fi
  set -e

  elapsed=$(( $(date +%s) - start_ts ))
  if [[ "$exit_code" -eq 0 ]]; then
    printf '  %s✔%s %s %s(%ss)%s\n' \
      "${C_GREEN}${C_BOLD}" "${C_RESET}" "$label" "${C_DIM}" "$elapsed" "${C_RESET}"
    return 0
  fi

  printf '\n  %s✖%s %s 失败（耗时 %ss），完整输出：\n\n' \
    "${C_RED}${C_BOLD}" "${C_RESET}" "$label" "$elapsed" >&2
  sed 's/^/    /' "$log_file" >&2
  printf '\n' >&2
  fail "命令执行失败，详细日志保留于：${log_file#$ROOT_DIR/}（追加 --verbose 可看实时输出）"
}

_spinner_for() {
  local cmd_pid="$1" label="$2" start_ts="$3"
  local frames=('⠋' '⠙' '⠹' '⠸' '⠼' '⠴' '⠦' '⠧' '⠇' '⠏')
  local i=0
  while kill -0 "$cmd_pid" 2>/dev/null; do
    local elapsed=$(( $(date +%s) - start_ts ))
    printf '\r\033[K  %s%s%s %s %s(%ss)%s' \
      "${C_CYAN}${C_BOLD}" "${frames[i]}" "${C_RESET}" \
      "$label" "${C_DIM}" "$elapsed" "${C_RESET}"
    i=$(( (i + 1) % ${#frames[@]} ))
    sleep 0.1
  done
}

# ── 帮助 ─────────────────────────────────────

usage() {
  cat <<EOF
${C_BOLD}用法:${C_RESET}
  bash scripts/install-ctms.sh ${C_CYAN}<环境>${C_RESET} [选项]

${C_BOLD}环境:${C_RESET}
  ${C_CYAN}dev${C_RESET}       本地开发环境（使用默认密钥，不生成 RSA 密钥对）
            前端通过 Vite dev server 热加载，入口仍为 http://127.0.0.1:8888
  ${C_CYAN}main${C_RESET}      内网测试 / 预发布环境
  ${C_CYAN}release${C_RESET}   生产环境（强制 HTTPS，自动生成密钥对）

${C_BOLD}选项:${C_RESET}
  ${C_WHITE}--base-url <url>${C_RESET}   健康检查使用的访问地址
                     dev/main 默认 http://127.0.0.1:8888
                     release 必须通过此参数或交互输入提供
  ${C_WHITE}--yes${C_RESET}              跳过所有交互确认，适合 CI/CD 自动化执行
  ${C_WHITE}--skip-build${C_RESET}       跳过镜像构建，仍会启动容器（docker compose up -d）
  ${C_WHITE}--skip-migrate${C_RESET}     跳过数据库迁移（alembic upgrade head）
  ${C_WHITE}--verbose${C_RESET}          展开所有命令的实时输出（默认折叠为 spinner）
  ${C_WHITE}-h, --help${C_RESET}         显示此帮助信息

${C_BOLD}示例:${C_RESET}
  bash scripts/install-ctms.sh dev
  bash scripts/install-ctms.sh main --base-url http://127.0.0.1:8888
  bash scripts/install-ctms.sh release --base-url https://ctms.example.com --yes
EOF
}

# ── 参数解析 ─────────────────────────────────

parse_args() {
  if [[ $# -eq 0 ]]; then
    usage
    exit 1
  fi

  TARGET_ENV="$1"
  shift

  case "$TARGET_ENV" in
    dev|main|release) ;;
    -h|--help) usage; exit 0 ;;
    *)
      usage
      fail "未知环境 \"$TARGET_ENV\"，有效值为 dev、main 或 release"
      ;;
  esac

  while [[ $# -gt 0 ]]; do
    case "$1" in
      --base-url)
        [[ $# -ge 2 ]] || fail "--base-url 需要提供一个 URL 参数"
        BASE_URL="$2"
        shift 2
        ;;
      --yes)         ASSUME_YES=1; shift ;;
      --skip-build)  SKIP_BUILD=1;  shift ;;
      --skip-migrate) SKIP_MIGRATE=1; shift ;;
      --verbose)     VERBOSE=1; shift ;;
      -h|--help)     usage; exit 0 ;;
      *)
        usage
        fail "未知参数: $1"
        ;;
    esac
  done
}

# ── 依赖检查 ─────────────────────────────────

_require_command() {
  local cmd="$1"
  local hint="$2"
  if ! command -v "$cmd" >/dev/null 2>&1; then
    warn "缺少依赖: ${C_BOLD}${cmd}${C_RESET}"
    warn "安装方式: $hint"
    return 1
  fi
}

check_dependencies() {
  step "检查系统依赖"
  local missing=0
  _require_command docker  "安装 Docker Engine 或 Docker Desktop，并确认 docker 命令可用" || missing=1
  _require_command openssl "Linux: sudo apt-get install -y openssl  |  macOS: brew install openssl" || missing=1
  _require_command curl    "Linux: sudo apt-get install -y curl      |  macOS: brew install curl" || missing=1
  [[ "$missing" -eq 0 ]] || fail "系统依赖不完整，请按上方提示安装后重试"

  if ! docker compose version >/dev/null 2>&1; then
    fail "未检测到 Docker Compose v2，请确认 docker compose version 可正常执行"
  fi
  ok "系统依赖检查通过"
}

# ── 环境参数计算 ──────────────────────────────

compose_project_name() {
  case "$TARGET_ENV" in
    dev)     printf 'ctms_dev' ;;
    main)    printf 'ctms_main' ;;
    release) printf 'ctms_release' ;;
  esac
}

app_env() {
  [[ "$TARGET_ENV" == "dev" ]] && printf 'development' || printf 'production'
}

key_id() {
  local today
  today="$(date +%Y%m%d)"
  case "$TARGET_ENV" in
    dev)     printf 'default' ;;
    main)    printf 'main-%s' "$today" ;;
    release) printf 'release-%s' "$today" ;;
  esac
}

default_base_url() {
  case "$TARGET_ENV" in
    dev|main) printf 'http://127.0.0.1:8888' ;;
    release)  printf '' ;;
  esac
}

# ── .env 读写 ─────────────────────────────────

read_env_value() {
  local key="$1"
  [[ -f "$ENV_FILE" ]] || return 0
  awk -v key="$key" '
    BEGIN { prefix = key "=" }
    index($0, prefix) == 1 {
      value = substr($0, length(prefix) + 1)
      if (value ~ /^".*"$/ || value ~ /^\047.*\047$/) {
        value = substr(value, 2, length(value) - 2)
      }
      print value
      exit
    }
  ' "$ENV_FILE"
}

resolve_effective_config() {
  local desired_project_name="$1"
  local desired_runtime_env="$2"
  local desired_login_key_id="$3"

  EFFECTIVE_PROJECT_NAME="$desired_project_name"
  EFFECTIVE_RUNTIME_ENV="$desired_runtime_env"
  EFFECTIVE_LOGIN_KEY_ID="$desired_login_key_id"

  [[ -f "$ENV_FILE" ]] || return 0

  local env_project_name env_runtime_env env_login_key_id
  env_project_name="$(read_env_value COMPOSE_PROJECT_NAME || true)"
  env_runtime_env="$(read_env_value ENV || true)"
  env_login_key_id="$(read_env_value LOGIN_RSA_KEY_ID || true)"

  [[ -n "$env_project_name" ]] || fail ".env 缺少 COMPOSE_PROJECT_NAME，请补齐后重试"
  [[ -n "$env_runtime_env" ]] || fail ".env 缺少 ENV，请补齐后重试"
  [[ -n "$env_login_key_id" ]] || fail ".env 缺少 LOGIN_RSA_KEY_ID，请补齐后重试"

  if [[ "$env_project_name" != "$desired_project_name" ]]; then
    fail ".env 的 COMPOSE_PROJECT_NAME=$env_project_name 与目标环境 $TARGET_ENV 期望值 $desired_project_name 不一致"
  fi
  if [[ "$env_runtime_env" != "$desired_runtime_env" ]]; then
    fail ".env 的 ENV=$env_runtime_env 与目标环境 $TARGET_ENV 期望值 $desired_runtime_env 不一致"
  fi

  EFFECTIVE_PROJECT_NAME="$env_project_name"
  EFFECTIVE_RUNTIME_ENV="$env_runtime_env"
  EFFECTIVE_LOGIN_KEY_ID="$env_login_key_id"
}

generate_escaped_private_key() {
  openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:2048 2>/dev/null \
    | awk '{printf "%s\\n", $0}'
}

generate_jwt_secret() {
  openssl rand -hex 32
}

# ── 地址解析 ─────────────────────────────────

resolve_base_url() {
  [[ -z "$BASE_URL" ]] && BASE_URL="$(default_base_url)"

  if [[ "$TARGET_ENV" == "release" && -z "$BASE_URL" && "$ASSUME_YES" -eq 0 ]]; then
    printf '  %s▸%s 请输入 release 健康检查域名（例如 https://ctms.example.com）: ' \
      "${C_YELLOW}${C_BOLD}" "${C_RESET}"
    read -r BASE_URL
  fi

  [[ -n "$BASE_URL" ]] || fail "release 环境必须通过 --base-url 或交互输入提供 HTTPS 地址"

  if [[ "$TARGET_ENV" == "release" && "$BASE_URL" != https://* ]]; then
    fail "release 环境的访问地址必须使用 HTTPS"
  fi
}

# ── 安装确认 ─────────────────────────────────

confirm_install() {
  local project_name="$1"
  local runtime_env="$2"
  step "确认安装参数"

  local env_status build_status migrate_status
  env_status="$([[ -f "$ENV_FILE" ]] && printf '已存在' || printf '新建')"
  build_status="$([[ "$SKIP_BUILD"   -eq 1 ]] && printf '跳过' || printf '执行')"
  migrate_status="$([[ "$SKIP_MIGRATE" -eq 1 ]] && printf '跳过' || printf '执行')"

  printf '\n'
  printf '  %s%-18s%s %s\n' "${C_BOLD}" "目标环境"      "${C_RESET}" "$TARGET_ENV"
  printf '  %s%-18s%s %s\n' "${C_BOLD}" "运行模式"      "${C_RESET}" "$runtime_env"
  printf '  %s%-18s%s %s\n' "${C_BOLD}" "Compose 项目"  "${C_RESET}" "$project_name"
  printf '  %s%-18s%s %s\n' "${C_BOLD}" "健康检查地址"  "${C_RESET}" "$BASE_URL"
  printf '  %s%-18s%s %s\n' "${C_BOLD}" ".env 文件"     "${C_RESET}" "$env_status"
  printf '  %s%-18s%s %s\n' "${C_BOLD}" "pg_data 目录"  "${C_RESET}" "$([[ -d "$ROOT_DIR/pg_data" ]] && printf '已存在' || printf '新建')"
  printf '  %s%-18s%s %s\n' "${C_BOLD}" "镜像构建"      "${C_RESET}" "$build_status"
  printf '  %s%-18s%s %s\n' "${C_BOLD}" "数据库迁移"    "${C_RESET}" "$migrate_status"
  printf '\n'

  if [[ "$ASSUME_YES" -eq 1 ]]; then
    log "已启用 --yes，跳过确认"
    return
  fi

  printf '  %s▸%s 确认以上参数并继续安装？输入 %syes%s 继续: ' \
    "${C_YELLOW}${C_BOLD}" "${C_RESET}" "${C_BOLD}" "${C_RESET}"
  local answer
  read -r answer
  [[ "$answer" == "yes" ]] || fail "用户取消安装"
}

# ── .env 写入 ─────────────────────────────────

write_env_file() {
  local project_name="$1" runtime_env="$2" login_key_id="$3"
  local jwt_secret="$4"   rsa_private_key="$5"
  local temp_file
  temp_file="$(mktemp "$ROOT_DIR/.env.tmp.XXXXXX")"

  {
    printf 'COMPOSE_PROJECT_NAME=%s\n' "$project_name"
    printf 'ENV=%s\n'                  "$runtime_env"
    printf 'VITE_RUNTIME_ENV=%s\n'     "$runtime_env"
    printf 'VITE_ALLOW_INSECURE_DEV_LOGIN=%s\n' "$([[ "$runtime_env" == "development" ]] && printf 'true' || printf 'false')"
    printf 'JWT_SECRET_KEY=%s\n'       "$jwt_secret"
    printf 'LOGIN_RSA_KEY_ID=%s\n'     "$login_key_id"
    printf 'LOGIN_RSA_PRIVATE_KEY=%s\n' "$rsa_private_key"
  } >> "$temp_file"

  mv "$temp_file" "$ENV_FILE"
  ok ".env 写入完成"
}

upsert_env_value() {
  local key="$1" value="$2"
  local temp_file
  temp_file="$(mktemp "$ROOT_DIR/.env.tmp.XXXXXX")"
  if [[ -f "$ENV_FILE" && -n "$(read_env_value "$key" || true)" ]]; then
    awk -v key="$key" -v value="$value" '
      BEGIN { prefix = key "=" }
      index($0, prefix) == 1 { print key "=" value; next }
      { print }
    ' "$ENV_FILE" > "$temp_file"
  else
    [[ -f "$ENV_FILE" ]] && cat "$ENV_FILE" > "$temp_file"
    printf '%s=%s\n' "$key" "$value" >> "$temp_file"
  fi
  mv "$temp_file" "$ENV_FILE"
}

sync_frontend_build_env() {
  local runtime_env="$1"
  local allow_insecure_dev_login="false"
  [[ "$runtime_env" == "development" ]] && allow_insecure_dev_login="true"

  upsert_env_value VITE_RUNTIME_ENV "$runtime_env"
  upsert_env_value VITE_ALLOW_INSECURE_DEV_LOGIN "$allow_insecure_dev_login"
  ok "前端构建环境变量已同步"
}

prepare_env_file() {
  step "准备环境配置文件"
  local project_name="$1" runtime_env="$2" login_key_id="$3"
  local jwt_secret="" rsa_private_key=""

  if [[ -f "$ENV_FILE" ]]; then
    ok "检测到现有 .env，保留原文件并跳过写入"
    return
  fi

  if [[ "$TARGET_ENV" == "dev" ]]; then
    jwt_secret="dev-secret"
    rsa_private_key=""
  else
    jwt_secret="$(generate_jwt_secret)"
    ok "已生成新的 JWT_SECRET_KEY"

    log "正在生成 RSA 2048 密钥对，请稍候…"
    rsa_private_key="$(generate_escaped_private_key)"
    ok "已生成新的 LOGIN_RSA_PRIVATE_KEY"
  fi

  write_env_file "$project_name" "$runtime_env" "$login_key_id" "$jwt_secret" "$rsa_private_key"
}

# ── Docker 流程 ───────────────────────────────

run_compose_config() {
  step "校验 Docker Compose 配置"
  run_quiet "Docker Compose 配置语法校验" -- compose_cmd config
}

run_backend_init() {
  [[ "$TARGET_ENV" != "dev" ]] || return 0
  step "初始化数据库与管理员账号"
  run_quiet "运行 backend-init 容器" -- compose_cmd run --rm backend-init
}

run_build_and_start() {
  if [[ "$SKIP_BUILD" -eq 1 ]]; then
    step "启动服务（跳过镜像构建）"
    if [[ "$TARGET_ENV" == "dev" ]]; then
      run_quiet "启动开发容器并刷新后端/Nginx/Vite" -- compose_cmd up -d --force-recreate backend nginx frontend-dev
    else
      run_quiet "启动容器" -- compose_cmd up -d
    fi
  else
    step "构建镜像并启动服务"
    if [[ "$TARGET_ENV" == "dev" ]]; then
      run_quiet "构建并刷新开发容器（首次较慢）" -- compose_cmd up -d --build --force-recreate backend nginx frontend-dev
    else
      run_quiet "构建镜像并启动容器（首次较慢）" -- compose_cmd up -d --build
    fi
  fi
}

run_migrations() {
  if [[ "$SKIP_MIGRATE" -eq 1 ]]; then
    log "已跳过数据库迁移（--skip-migrate）"
    return
  fi
  step "执行数据库迁移"
  run_quiet "Alembic upgrade head" -- compose_cmd run --rm backend python -m alembic upgrade head
}

# ── 健康检查 ─────────────────────────────────

check_container_status() {
  step "检查容器运行状态"
  local running
  running="$(compose_cmd ps --services --filter status=running 2>/dev/null || true)"
  local services=(db backend nginx)
  [[ "$TARGET_ENV" != "dev" ]] || services+=(frontend-dev)
  for svc in "${services[@]}"; do
    if printf '%s\n' "$running" | grep -qx "$svc"; then
      printf '  %s✔%s %-8s 运行中\n' "${C_GREEN}${C_BOLD}" "${C_RESET}" "$svc"
    else
      printf '  %s✖%s %-8s %s未运行%s\n' "${C_RED}${C_BOLD}" "${C_RESET}" "$svc" "${C_RED}" "${C_RESET}"
      fail "$svc 容器未正常运行，请执行 'bash scripts/install-ctms.sh $TARGET_ENV --skip-build --skip-migrate --verbose' 或对应 compose ps 命令排查"
    fi
  done
}

check_backend_environment() {
  step "校验后端运行时环境变量"
  local expected_env="$1" expected_key_id="$2" expect_rsa="$3"
  local check_code
  check_code=$(cat <<'PY'
import os, sys
from app.core.config import settings
from app.core.login_crypto import _normalize_pem

expected_env    = os.environ["EXPECTED_ENV"]
expected_key_id = os.environ["EXPECTED_KEY_ID"]
expect_rsa      = os.environ["EXPECT_RSA"] == "1"

if settings.ENV != expected_env:
    sys.exit(f"ENV 不匹配: {settings.ENV} != {expected_env}")
if settings.LOGIN_RSA_KEY_ID != expected_key_id:
    sys.exit("LOGIN_RSA_KEY_ID 不匹配")
if expected_env == "production" and settings.JWT_SECRET_KEY == "dev-secret":
    sys.exit("生产环境不允许使用默认 JWT_SECRET_KEY")
if expect_rsa:
    if not settings.LOGIN_RSA_PRIVATE_KEY:
        sys.exit("LOGIN_RSA_PRIVATE_KEY 未配置")
    from cryptography.hazmat.primitives import serialization
    serialization.load_pem_private_key(
        _normalize_pem(settings.LOGIN_RSA_PRIVATE_KEY).encode("utf-8"),
        password=None,
    )
PY
)
  run_quiet "执行后端配置自检" -- compose_cmd exec -T \
    -e EXPECTED_ENV="$expected_env" \
    -e EXPECTED_KEY_ID="$expected_key_id" \
    -e EXPECT_RSA="$expect_rsa" \
    backend python -c "$check_code"
}

check_http_endpoint() {
  local path="$1"
  local url="${BASE_URL%/}$path"
  log "探测接口: $url"
  local attempt=1 max_attempts=10 delay=2 warmup_delay=3
  log "等待服务预热 ${warmup_delay}s …"
  sleep "$warmup_delay"
  while [[ "$attempt" -le "$max_attempts" ]]; do
    if curl -fsS "$url" >/dev/null 2>&1; then
      ok "接口就绪: $path"
      return 0
    fi
    if [[ "$attempt" -lt "$max_attempts" ]]; then
      log "接口尚未就绪，${delay}s 后重试（${attempt}/${max_attempts}）…"
      sleep "$delay"
    fi
    attempt=$(( attempt + 1 ))
  done
  if [[ "$path" == "/api/v1/auth/login-key" ]]; then
    warn "登录公钥接口无响应，请检查 .env 中 LOGIN_RSA_PRIVATE_KEY 是否为完整的单行转义 PEM 文本"
  fi
  fail "接口探测失败: $url"
}

run_health_checks() {
  local runtime_env="$1" login_key_id="$2"
  local expect_rsa=0
  [[ "$runtime_env" == "production" ]] && expect_rsa=1
  check_container_status
  check_dev_nginx_mode
  check_backend_environment "$runtime_env" "$login_key_id" "$expect_rsa"
  step "探测 HTTP 接口可用性"
  check_http_endpoint "/health"
  check_http_endpoint "/api/v1/auth/login-key"
  ok "HTTP 接口全部就绪"
}

check_dev_nginx_mode() {
  [[ "$TARGET_ENV" == "dev" ]] || return 0

  step "校验开发 Nginx 代理配置"
  if compose_cmd exec -T nginx sh -c 'grep -q "frontend_dev" /etc/nginx/nginx.conf && grep -q "proxy_pass http://frontend_dev" /etc/nginx/nginx.conf' >/dev/null 2>&1; then
    ok "Nginx 已代理到 Vite dev server"
    return
  fi

  fail "当前 Nginx 未加载开发配置，请重试：bash scripts/install-ctms.sh dev --skip-migrate --verbose"
}

# ── 完成提示 ─────────────────────────────────

show_success() {
  printf '\n'
  printf '%s┌──────────────────────────────────────────────┐%s\n' "${C_GREEN}${C_BOLD}" "${C_RESET}"
  printf '%s│%s  ✔  CTMS 安装成功                            %s│%s\n' "${C_GREEN}${C_BOLD}" "${C_GREEN}" "${C_GREEN}${C_BOLD}" "${C_RESET}"
  printf '%s└──────────────────────────────────────────────┘%s\n' "${C_GREEN}${C_BOLD}" "${C_RESET}"
  printf '\n'
  printf '  %s访问地址%s  %s%s%s\n' "${C_BOLD}" "${C_RESET}" "${C_CYAN}" "$BASE_URL" "${C_RESET}"
  printf '  %s环境模式%s  %s\n' "${C_BOLD}" "${C_RESET}" "$TARGET_ENV"
  printf '\n'
}

# ── 入口 ─────────────────────────────────────

main() {
  _banner
  parse_args "$@"
  cd "$ROOT_DIR"

  local project_name runtime_env login_key_id
  project_name="$(compose_project_name)"
  runtime_env="$(app_env)"
  login_key_id="$(key_id)"

  resolve_base_url
  resolve_effective_config "$project_name" "$runtime_env" "$login_key_id"
  check_dependencies
  confirm_install "$EFFECTIVE_PROJECT_NAME" "$EFFECTIVE_RUNTIME_ENV"
  prepare_env_file "$project_name" "$runtime_env" "$login_key_id"
  sync_frontend_build_env "$runtime_env"
  run_compose_config
  run_backend_init
  run_build_and_start
  run_migrations
  resolve_effective_config "$project_name" "$runtime_env" "$login_key_id"
  run_health_checks "$EFFECTIVE_RUNTIME_ENV" "$EFFECTIVE_LOGIN_KEY_ID"
  show_success
}

main "$@"