#!/usr/bin/env bash
# =============================================================================
#  09-verify-static-frontends.sh — 验证静态前端与 Nginx 域名入口
#
#  用法:
#    ./09-verify-static-frontends.sh
#
#  检查项:
#    - /app/pc/dist / /app/cms/dist / /app/build-cms/dist / /app/build-down/dist 是否存在
#    - Nginx Host 路由是否可达
#    - 站点首页是否能返回 HTML
# =============================================================================
set -euo pipefail
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common.sh"
init_dirs
init_script_log

if [[ -f "$ENV_FILE" ]]; then
  set -a
  # shellcheck source=/dev/null
  source "$ENV_FILE"
  set +a
fi
normalize_pc_proxy_env

require_tools curl

header "验证静态前端"

check_dist() {
  local label="$1" path="$2"
  if [[ -f "$path" ]]; then
    success "$label dist 存在: $path"
  else
    error "$label dist 不存在: $path"
    return 1
  fi
}

check_site() {
  local label="$1" host="$2" expected_path="$3" expected_title="${4:-}"
  local body_file
  local actual_title
  body_file="$(mktemp)"

  if curl -fsS --max-time 5 -H "Host: ${host}" http://127.0.0.1/nginx-health >/dev/null 2>&1; then
    success "$label nginx-health 可达: http://${host}/nginx-health"
  else
    error "$label nginx-health 不可达: http://${host}/nginx-health"
    rm -f "$body_file"
    return 1
  fi

  if curl -fsS --max-time 10 -H "Host: ${host}" http://127.0.0.1/ > "$body_file"; then
    if grep -qi "<html" "$body_file"; then
      success "$label 首页可达: http://${host}/"
      actual_title=$(grep -oiE '<title>[^<]*</title>' "$body_file" | head -1 | sed -E 's#</?title>##g' || true)
      [[ -n "$actual_title" ]] && info "  ${label} title: ${actual_title}"
      info "  ${label} dist:  ${expected_path}"
      if [[ -n "$expected_title" ]]; then
        if [[ "$actual_title" == "$expected_title" ]]; then
          success "$label title 符合预期"
        else
          error "$label title 不符合预期: 期望=${expected_title} 实际=${actual_title:-<empty>}"
          rm -f "$body_file"
          return 1
        fi
      fi
    else
      error "$label 首页返回成功但不是 HTML: http://${host}/"
      rm -f "$body_file"
      return 1
    fi
  else
    error "$label 首页不可达: http://${host}/"
    rm -f "$body_file"
    return 1
  fi

  rm -f "$body_file"
}

FAILED=()

check_dist "PC" "$ROOT_DIR/pc/dist/index.html" || FAILED+=("pc-dist")
check_dist "CMS" "$ROOT_DIR/cms/dist/index.html" || FAILED+=("cms-dist")
check_dist "Build CMS" "$ROOT_DIR/build-cms/dist/index.html" || FAILED+=("build-cms-dist")
check_dist "Build Down" "$ROOT_DIR/build-down/dist/index.html" || FAILED+=("build-down-dist")

check_site "PC" "${PC_PROXY_DOMAIN}" "$ROOT_DIR/pc/dist/index.html" || FAILED+=("pc-nginx")
check_site "CMS" "cms-jack.imharry.work" "$ROOT_DIR/cms/dist/index.html" "欢迎使用MChat" || FAILED+=("cms-nginx")
check_site "Build CMS" "build-jack.imharry.work" "$ROOT_DIR/build-cms/dist/index.html" "打包管理系统" || FAILED+=("build-cms-nginx")
check_site "Build Down" "down-jack.imharry.work" "$ROOT_DIR/build-down/dist/index.html" || FAILED+=("build-down-nginx")

echo ""
pc_probe_msg_gateway "${PC_BACKEND_ORIGIN}"

echo ""
if [[ ${#FAILED[@]} -eq 0 ]]; then
  success "静态前端验证通过"
else
  error "以下检查失败: ${FAILED[*]}"
  exit 1
fi