package curl2info

func init() {
	optionTrie = newTrie()
	oelist := []*optionExecute{
		{"-H", 10, parseHeader, nil},
		{"-X", 10, parseOptX, nil},
		{"-A", 15, parseUserAgent, &extract{re: "^-A +(.+)", execute: extractData}},
		{"-I", 15, parseOptI, nil},
		{"-d", 10, parseBodyASCII, &extract{re: "^-d +(.+)", execute: extractData}},
		{"-u", 15, parseUser, &extract{re: "^-u +(.+)", execute: extractData}},
		{"-k", 15, parseInsecure, nil},
		// Body
		{"--data", 10, parseBodyASCII, &extract{re: "--data +(.+)", execute: extractData}},
		{"--data-urlencode", 10, parseBodyURLEncode, &extract{re: "--data-urlencode +(.+)", execute: extractData}},
		{"--data-binary", 10, parseBodyBinary, &extract{re: "--data-binary +(.+)", execute: extractData}},
		{"--data-ascii", 10, parseBodyASCII, &extract{re: "--data-ascii +(.+)", execute: extractData}},
		{"--data-raw", 10, parseBodyRaw, &extract{re: "--data-raw +(.+)", execute: extractData}},
		//"--"
		{"--header", 10, parseHeader, nil},
		{"--insecure", 15, parseInsecure, nil},
		{"--task", 10, parseITask, &extract{re: "--task +(.+)", execute: extractData}},
		{"--user-agent", 15, parseUserAgent, &extract{re: "--user-agent +(.+)", execute: extractData}},
		{"--user", 15, parseUser, &extract{re: "--user +(.+)", execute: extractData}},
		{"--connect-timeout", 15, parseTimeout, &extract{re: "--connect-timeout +(.+)", execute: extractData}},
	}

	for _, oe := range oelist {
		optionTrie.Insert(oe)
	}

	// log.Println("support options:", optionTrie.AllWords())
}

// extract 用于提取设置的数据
type extract struct {
	re      string
	execute func(re, soption string) string
}

func (et *extract) Execute(soption string) string {
	return et.execute(et.re, soption)
}

// OptionTrie 设置的前缀树
var optionTrie *hTrie

type optionExecute struct {
	Prefix string

	Priority int

	Execute func(*CURL, string) // 执行函数
	Extract *extract            // 提取的方法结构与参数
}

func (oe *optionExecute) GetWord() string {
	return oe.Prefix + " "
}

func (oe *optionExecute) BuildFunction(curl *CURL, soption string) *parseFunction {
	data := soption
	if oe.Extract != nil {
		data = oe.Extract.Execute(data)
	}
	return &parseFunction{ParamCURL: curl, ParamData: data, ExecuteFunction: oe.Execute, Priority: oe.Priority}
}