#!/bin/bash
# (v9) 支持新格式：名称 # 说明 # 命令

interactive_mode() {
  local command_file="${1:-/Users/linbin/SynologyDrive/附件/590/cmd/my_commands}"
  local initial_query="${2:-}"

  # 使用临时文件来避免复杂的引号转义问题
  local preview_script="/tmp/preview_$$"
  cat > "$preview_script" << 'EOF'
#!/bin/bash
command_file="$1"
line_content="$2"

# trim空格
name_part=$(echo "$line_content" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
# 从原文件中获取完整的行
full_line=$(grep -v "^#" "$command_file" | awk -F'#' -v name="$name_part" '{
  first_field = $1
  gsub(/^[[:space:]]+|[[:space:]]+$/, "", first_field)
  if (first_field == name) print $0
}' | head -1)

if [ -n "$full_line" ]; then
  # 提取三部分：名称、说明、命令
  name=$(echo "$full_line" | awk -F'#' '{print $1}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
  desc=$(echo "$full_line" | awk -F'#' '{print $2}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
  command_part=$(echo "$full_line" | awk -F'#' '{print $3}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')

  # 预览窗口的显示逻辑
  echo "--- 名称 ---"
  echo "$name"
  echo ""
  echo "--- 说明 ---"
  echo "$desc"
  echo ""
  echo "--- 命令 ---"
  if [ -f "$command_part" ]; then
    echo "$command_part"
    echo ""
    echo "--- 文件内容 ---"
    cat "$command_part" 2>/dev/null || echo "无法读取文件内容"
  else
    echo "$command_part"
  fi
else
  echo "未找到对应的命令"
fi
EOF

  chmod +x "$preview_script"

  # --- 模糊搜索 ---
  local selected_line
  selected_line=$(grep -v "^#" "$command_file" |
    # 使用#作为分隔符，让fzf只搜索第一部分（名称）
    awk -F'#' '{print $1}' |
    sed 's/^[[:space:]]*//;s/[[:space:]]*$//' |
    fzf --height=40% --tac \
      --query="$initial_query" \
      --header "↑↓ 选择, Enter 执行, Esc 退出 (或 cmd <快捷词> 直接调用)" \
      --preview "$preview_script '$command_file' {}")

  # 清理临时文件
  rm -f "$preview_script"

  # 如果用户选择了，获取名称部分
  if [ -n "$selected_line" ]; then
    selected_line=$(echo "$selected_line" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
  fi

  if [ -z "$selected_line" ]; then
    echo "已取消。"
    return 0
  fi

  # 从原文件中重新获取完整命令
  local full_line
  full_line=$(grep -v "^#" "$command_file" | awk -F'#' -v name="$selected_line" '{
    first_field = $1
    gsub(/^[[:space:]]+|[[:space:]]+$/, "", first_field)
    if (first_field == name) print $0
  }' | head -1)

  # 提取三部分
  local name_part desc_part command_to_run
  name_part=$(echo "$full_line" | awk -F'#' '{print $1}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
  desc_part=$(echo "$full_line" | awk -F'#' '{print $2}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
  command_to_run=$(echo "$full_line" | awk -F'#' '{print $3}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')

  echo "▶ $name_part【$desc_part】"

  # 执行逻辑 - 对sh文件使用source执行
  if [ -f "$command_to_run" ]; then
    if [[ "$command_to_run" == *.sh ]]; then
      source "$command_to_run"
    elif [ -x "$command_to_run" ]; then
      "$command_to_run"
    else
      source "$command_to_run"
    fi
  else
    eval "$command_to_run"
  fi
}

cmd() {
  local command_file="/Users/linbin/SynologyDrive/附件/590/cmd/my_commands"

  # 检查命令文件是否存在
  if [ ! -f "$command_file" ]; then
    echo "命令文件 $command_file 不存在。"
    return 1
  fi

  # --- 处理直接调用（支持模糊匹配）---
  # 检查是否提供了参数 (如: cmd lsa)
  if [ "$#" -gt 0 ]; then
    # 将所有参数用空格连接起来构造精确匹配模式
    local shortcut=""
    for arg in "$@"; do
      if [ -n "$shortcut" ]; then
        shortcut="$shortcut $arg"
      else
        shortcut="$arg"
      fi
    done

    # 统一使用模糊匹配逻辑处理所有输入
    # 将所有参数用空格连接起来进行模糊匹配
    local all_args=""
    for arg in "$@"; do
      if [ -n "$all_args" ]; then
        all_args="$all_args $arg"
      else
        all_args="$arg"
      fi
    done

    fuzzy_matches=$(grep -v "^#" "$command_file" | awk -v keywords="$all_args" -F'#' '
      {
        # 提取第一部分（名称）并trim空格
        name_part = $1
        gsub(/^[[:space:]]+|[[:space:]]+$/, "", name_part)

        # 将关键字按空格分割并检查每个关键字是否都匹配
        n = split(keywords, kw_array, " ")
        match_all = 1
        for (i = 1; i <= n; i++) {
          # 检查关键字是否为空，并且是否在name_part中存在
          if (kw_array[i] != "" && index(name_part, kw_array[i]) == 0) {
            match_all = 0
            break
          }
        }
        if (match_all == 1) print $0
      }')

    if [ -n "$fuzzy_matches" ]; then
        # 统计匹配数量 - 只统计非空行
        local match_count
        match_count=$(echo "$fuzzy_matches" | grep -c '.')

        if [ "$match_count" -eq 1 ]; then
          # 只有一个模糊匹配，直接执行
          local name_part desc_part command_to_run
          name_part=$(echo "$fuzzy_matches" | awk -F'#' '{print $1}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
          desc_part=$(echo "$fuzzy_matches" | awk -F'#' '{print $2}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
          command_to_run=$(echo "$fuzzy_matches" | awk -F'#' '{print $3}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
          echo "▶ $name_part【$desc_part】"

          # 执行命令 - 对sh文件使用source执行
          if [ -f "$command_to_run" ]; then
            if [[ "$command_to_run" == *.sh ]]; then
              source "$command_to_run"
            elif [ -x "$command_to_run" ]; then
              "$command_to_run"
            else
              source "$command_to_run"
            fi
          else
            eval "$command_to_run"
          fi
          return 0
        else
          # 多个匹配，进入交互模式让用户选择
          echo "找到 $match_count 个匹配项："
          echo "$fuzzy_matches" | awk -F'#' '{print $1}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//' | nl -b a
          echo ""

          # 直接进入交互模式
          interactive_mode "" "$all_args"
          return 0
        fi
      else
        echo "未找到匹配项，进入交互搜索模式..."
        # 进入交互模式
        interactive_mode "" "$all_args"
      fi
  # 如果没有提供参数，直接进入交互模式
  else
    interactive_mode
  fi
}