package xhttp

import (
	"net/http"
	"time"
)

// RequestOption HTTP request option
type RequestOption struct {
	RequestTimeOut        time.Duration
	ResponseHeaderTimeout time.Duration

	Headers map[string]string
	Cookies []*http.Cookie

	username, password string

	CertFile string
	KeyFile  string
}

// ServerOption serve option
type ServerOption struct {
	CertFile string
	KeyFile  string

	// ReadHeaderTimeout is the amount of time allowed to read request headers
	ReadHeaderTimeout time.Duration
	// ReadTimeout is the maximum duration for reading the entire
	// request, including the body.
	ReadTimeout time.Duration
	// WriteTimeout is the maximum duration before timing out
	// writes of the response.
	WriteTimeout time.Duration
	// IdleTimeout is the maximum amount of time to wait for the
	// next request when keep-alives are enabled.
	IdleTimeout time.Duration

	// MaxHeaderBytes controls the maximum number of bytes the
	// server will read parsing the request header's keys and
	// values, including the request line. It does not limit the
	// size of the request body.
	// If zero, DefaultMaxHeaderBytes is used.
	MaxHeaderBytes int

	ShutdownTimeout time.Duration
}

// DefaultRequestOption default request option
func DefaultRequestOption() RequestOption {
	return RequestOption{
		Headers:               map[string]string{},
		RequestTimeOut:        60 * time.Second,
		ResponseHeaderTimeout: 60 * time.Second,
	}
}

// SetTimeOut set request timeout
func (r *RequestOption) SetTimeOut(v time.Duration) *RequestOption {
	r.RequestTimeOut = v
	return r
}

// SetResponseHeaderTimeout set response header timeout
func (r *RequestOption) SetResponseHeaderTimeout(v time.Duration) *RequestOption {
	r.ResponseHeaderTimeout = v
	return r
}

// SetCert set request cert & key file
func (r *RequestOption) SetCert(certFile, keyFile string) *RequestOption {
	r.CertFile = certFile
	r.KeyFile = keyFile
	return r
}

// SetHeader set header
func (r *RequestOption) SetHeader(k, v string) *RequestOption {
	r.Headers[k] = v
	return r
}

// AddCookie adds a cookie to the request.
func (r *RequestOption) AddCookie(c *http.Cookie) *RequestOption {
	r.Cookies = append(r.Cookies, c)
	return r
}

// SetBasicAuth sets the request's Authorization header to use HTTP Basic Authentication with the provided username and password.
func (r *RequestOption) SetBasicAuth(username, password string) *RequestOption {
	r.username = username
	r.password = password
	return r
}

// AcceptEncodingGZIP Accept-Encoding gzip
func (r *RequestOption) AcceptEncodingGZIP() *RequestOption {
	r.Headers[AcceptEncoding] = "gzip, deflate, br"
	return r
}

// SetContentType set Content-Type
func (r *RequestOption) SetContentType(v string) *RequestOption {
	r.Headers[ContentType] = v
	return r
}

// SetContentTypeJSON Content-Type json
func (r *RequestOption) SetContentTypeJSON() *RequestOption {
	r.Headers[ContentType] = ContentTypeJSON
	return r
}

// SetContentTypeJSON Content-Type json
func (r *RequestOption) SetContentTypeURL() *RequestOption {
	r.Headers[ContentType] = ContentTypeURL
	return r
}

// SetContentTypeJSON Content-Type json
func (r *RequestOption) SetContentTypeXML() *RequestOption {
	r.Headers[ContentType] = ContentTypeXML
	return r
}

func DefaultServerOption() ServerOption {
	return ServerOption{
		ReadTimeout:       readTimeout,
		ReadHeaderTimeout: readHeaderTimeout,
		WriteTimeout:      writeTimeout,
		IdleTimeout:       idleTimeout,

		MaxHeaderBytes: 1 << 20,

		ShutdownTimeout: shutTimeout,
	}
}

// SetReadTimeout set ReadTimeout
func (s *ServerOption) SetReadTimeout(t time.Duration) *ServerOption {
	s.ReadTimeout = t
	return s
}

// SetReadHeaderTimeout set ReadHeaderTimeout
func (s *ServerOption) SetReadHeaderTimeout(t time.Duration) *ServerOption {
	s.ReadHeaderTimeout = t
	return s
}

// SetWriteTimeout set WriteTimeout
func (s *ServerOption) SetWriteTimeout(t time.Duration) *ServerOption {
	s.WriteTimeout = t
	return s
}

// SetIdleTimeout set IdleTimeout
func (s *ServerOption) SetIdleTimeout(t time.Duration) *ServerOption {
	s.IdleTimeout = t
	return s
}

// SetMaxHeaderBytes set MaxHeaderBytes
func (s *ServerOption) SetMaxHeaderBytes(n int) *ServerOption {
	s.MaxHeaderBytes = n
	return s
}

// SetShutdownTimeout set ShutdownTimeout
func (s *ServerOption) SetShutdownTimeout(t time.Duration) *ServerOption {
	s.ShutdownTimeout = t
	return s
}

// SetCertFile set CertFile
func (s *ServerOption) SetCertFile(path string) *ServerOption {
	s.CertFile = path
	return s
}

// SetKeyFile set KeyFile
func (s *ServerOption) SetKeyFile(path string) *ServerOption {
	s.KeyFile = path
	return s
}