#!/usr/bin/env bash
# =============================================================================
#  06-install-frontend.sh — 安装前端项目依赖
#
#  首次使用或依赖变更后运行（对应后端的 04-build.sh）
#
#  用法:
#    ./06-install-frontend.sh           # 安装全部前端项目依赖
#    ./06-install-frontend.sh <project> # 只安装指定项目
#
#  可用项目: pc, meetingh5, h5, cms, build-cms, build-down
# =============================================================================
set -euo pipefail
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common.sh"
init_dirs
init_script_log       # ← 脚本执行日志

header "前端依赖安装"

# ── 工具检查 ──────────────────────────────────────────────────────────────────
_check_pm() {
  local pm="$1"
  if ! command -v "$pm" &>/dev/null; then
    error "$pm 未安装"
    case "$pm" in
      yarn) echo "  → npm install -g yarn" ;;
      pnpm) echo "  → npm install -g pnpm" ;;
      npm)  echo "  → https://nodejs.org/" ;;
    esac
    return 1
  fi
  return 0
}

# ── 安装单个项目 ──────────────────────────────────────────────────────────────
# 用法: _install <显示名> <目录> <包管理器>
_install() {
  local name="$1" dir="$ROOT_DIR/$2" pm="$3"

  if [[ ! -d "$dir" ]]; then
    warn "  目录不存在，跳过: $dir"
    return 0
  fi

  _check_pm "$pm" || return 1

  local logfile="$LOG_DIR/install-${name}.log"
  info "安装 ${BOLD}$name${NC} 依赖  ($pm install) ..."

  if [[ -d "$dir/node_modules" ]]; then
    warn "  node_modules 已存在，执行增量安装（如需全量重装请先 rm -rf $dir/node_modules）"
  fi

  local start_ts=$SECONDS
  (cd "$dir" && "$pm" install 2>&1) | tee -a "$logfile" | tail -5
  local elapsed=$(( SECONDS - start_ts ))

  success "  ✓ $name 安装完成 (${elapsed}s) → 日志: $logfile"
}

# ── 项目列表 ──────────────────────────────────────────────────────────────────
TARGET="${1:-all}"

case "$TARGET" in
  all)
    step "安装全部前端项目依赖（共 6 个）"
    _install "pc"         "pc"         "yarn"
    _install "meetingh5"  "meetingh5"  "npm"
    _install "h5"         "h5"         "npm"
    _install "cms"        "cms"        "pnpm"
    _install "build-cms"  "build-cms"  "pnpm"
    _install "build-down" "build-down" "npm"
    echo ""
    success "所有前端依赖安装完成！"
    echo ""
    echo -e "${BOLD}下一步：${NC}"
    echo -e "  启动前端开发服务器："
    echo -e "  ${CYAN}./deploy-test/07-start-frontend.sh${NC}"
    ;;
  pc|meetingh5|h5|cms|build-cms|build-down)
    local PM
    case "$TARGET" in
      pc)         PM="yarn" ;;
      cms|build-cms) PM="pnpm" ;;
      *)          PM="npm" ;;
    esac
    step "安装 $TARGET 依赖"
    _install "$TARGET" "$TARGET" "$PM"
    ;;
  *)
    error "未知项目: $TARGET"
    echo "可用: pc, meetingh5, h5, cms, build-cms, build-down"
    exit 1
    ;;
esac