#!/usr/bin/env bash
# =============================================================================
#  07-start-frontend.sh — 启动前端开发服务器
#
#  用法:
#    ./07-start-frontend.sh           # 启动全部前端项目
#    ./07-start-frontend.sh <project> # 只启动指定项目
#
#  项目与端口：
#    pc          → Electron + Vite   :7777
#    meetingh5   → React + Vite      :5188
#    h5          → Vue + Vite        :3003
#    cms         → UMI Max           :8001
#    build-cms   → UMI Max           :8002
#    build-down  → UMI v3            :8003
#
#  日志文件: .local-dev/logs/fe-<project>.log
#  PID 文件: .local-dev/pids/fe-<project>.pid
# =============================================================================
set -euo pipefail
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common.sh"
init_dirs
init_script_log       # ← 脚本执行日志

header "启动前端开发服务器"

# ── 前端服务配置 ──────────────────────────────────────────────────────────────
# name → (目录, 包管理器, 启动命令, 环境变量, 端口描述)
declare -A FE_DIR=(
  [pc]="pc"
  [meetingh5]="meetingh5"
  [h5]="h5"
  [cms]="cms"
  [build-cms]="build-cms"
  [build-down]="build-down"
)

declare -A FE_PM=(
  [pc]="yarn"
  [meetingh5]="npm"
  [h5]="npm"
  [cms]="pnpm"
  [build-cms]="pnpm"
  [build-down]="npm"
)

declare -A FE_CMD=(
  [pc]="yarn dev"
  [meetingh5]="npm run dev"
  [h5]="npm run dev"
  [cms]="pnpm run dev"
  [build-cms]="pnpm run dev"
  [build-down]="npm run dev"
)

# cms/build-cms/build-down 不配置端口时默认都是 8000，需手动指定
declare -A FE_ENV=(
  [pc]=""
  [meetingh5]=""
  [h5]=""
  [cms]="PORT=8001"
  [build-cms]="PORT=8002"
  [build-down]="PORT=8003"
)

declare -A FE_PORT=(
  [pc]=":7777 (Electron Vite 调试服务器)"
  [meetingh5]=":5188"
  [h5]=":3003"
  [cms]=":8001"
  [build-cms]=":8002"
  [build-down]=":8003"
)

# ── 启动单个前端服务 ──────────────────────────────────────────────────────────
_start_fe() {
  local name="$1"
  local dir="$ROOT_DIR/${FE_DIR[$name]}"
  local pm="${FE_PM[$name]}"
  local cmd="${FE_CMD[$name]}"
  local env_prefix="${FE_ENV[$name]}"
  local pidfile="$PID_DIR/fe-${name}.pid"
  local logfile="$LOG_DIR/fe-${name}.log"

  # 已在运行
  if [[ -f "$pidfile" ]] && kill -0 "$(cat "$pidfile")" 2>/dev/null; then
    warn "$name 已在运行 (PID=$(cat "$pidfile"))，跳过"
    return 0
  fi

  # 目录检查
  if [[ ! -d "$dir" ]]; then
    warn "$name 目录不存在 ($dir)，跳过"
    return 0
  fi

  # 依赖检查
  if [[ ! -d "$dir/node_modules" ]]; then
    warn "$name node_modules 不存在，请先执行: ./deploy-test/06-install-frontend.sh $name"
    return 1
  fi

  # 包管理器检查
  if ! command -v "$pm" &>/dev/null; then
    error "$name 需要 $pm，未安装"
    return 1
  fi

  info "启动 ${BOLD}$name${NC} ..."

  # 写日志分隔符
  {
    echo ""
    echo "──── 启动 $(date '+%Y-%m-%d %H:%M:%S') ────"
  } >> "$logfile"

  # 后台启动（带环境变量前缀）
  (
    cd "$dir"
    if [[ -n "$env_prefix" ]]; then
      # shellcheck disable=SC2086
      nohup env $env_prefix $cmd >> "$logfile" 2>&1 &
    else
      # shellcheck disable=SC2086
      nohup $cmd >> "$logfile" 2>&1 &
    fi
    echo $! > "$pidfile"
  )

  sleep 2
  if [[ -f "$pidfile" ]] && kill -0 "$(cat "$pidfile")" 2>/dev/null; then
    success "  ✓ $name (PID=$(cat "$pidfile"))  ${FE_PORT[$name]}  → $logfile"
  else
    error "  ✗ $name 启动失败，查看日志:"
    tail -20 "$logfile" 2>/dev/null || true
    return 1
  fi
}

# ── 入口 ─────────────────────────────────────────────────────────────────────
TARGET="${1:-all}"
FE_PROJECTS=(pc meetingh5 h5 cms build-cms build-down)

_all_valid() {
  for p in "${FE_PROJECTS[@]}"; do
    [[ "$p" == "$1" ]] && return 0
  done
  return 1
}

if [[ "$TARGET" == "all" ]]; then
  step "启动全部前端开发服务器"
  FAILED=()
  for proj in "${FE_PROJECTS[@]}"; do
    _start_fe "$proj" || FAILED+=("$proj")
  done

  echo ""
  echo -e "${BOLD}前端服务汇总：${NC}"
  for proj in "${FE_PROJECTS[@]}"; do
    local_pidfile="$PID_DIR/fe-${proj}.pid"
    if [[ -f "$local_pidfile" ]] && kill -0 "$(cat "$local_pidfile")" 2>/dev/null; then
      printf "  ${GREEN}●${NC} %-14s PID=%-7s %s\n" "$proj" "$(cat "$local_pidfile")" "${FE_PORT[$proj]}"
    else
      printf "  ${RED}○${NC} %-14s 未运行           %s\n" "$proj" "${FE_PORT[$proj]}"
    fi
  done

  echo ""
  echo -e "${BOLD}访问地址：${NC}"
  echo "  PC (Electron):  yarn dev 启动后自动打开窗口"
  echo "  H5:             http://${DEPLOY_TEST_IP}:3003"
  echo "  CMS:            http://${DEPLOY_TEST_IP}:8001"
  echo "  Build CMS:      http://${DEPLOY_TEST_IP}:8002"
  echo "  Build Download: http://${DEPLOY_TEST_IP}:8003"
  echo ""
  echo -e "${BOLD}MeetingH5 访问地址（后端 URL 由 .env.local 默认设置，也可通过 URL 参数覆盖）：${NC}"
  echo "  默认:           http://${DEPLOY_TEST_IP}:5188"
  echo "  显式指定后端:   http://${DEPLOY_TEST_IP}:5188?ws=ws://${DEPLOY_TEST_IP}:8000&liveApi=http://${DEPLOY_TEST_IP}:8081"
  echo "  说明: ws     → meetingmsg 弹幕 WebSocket (:8000)"
  echo "        liveApi → livestream 直播间 API  (:8081)"

  if [[ ${#FAILED[@]} -gt 0 ]]; then
    echo ""
    warn "以下项目启动失败: ${FAILED[*]}"
    echo "  可能原因: node_modules 未安装，执行: ./deploy-test/06-install-frontend.sh"
  fi
else
  if ! _all_valid "$TARGET"; then
    error "未知项目: $TARGET"
    echo "可用: ${FE_PROJECTS[*]}"
    exit 1
  fi
  step "启动前端项目: $TARGET"
  _start_fe "$TARGET"
fi