package dynamicproxy

import (
	"net"
	"net/http"
	"sync"

	"imuslab.com/zoraxy/mod/dynamicproxy/dpcore"
	"imuslab.com/zoraxy/mod/dynamicproxy/redirection"
	"imuslab.com/zoraxy/mod/geodb"
	"imuslab.com/zoraxy/mod/statistic"
	"imuslab.com/zoraxy/mod/tlscert"
)

const (
	ProxyType_Subdomain = 0
	ProxyType_Vdir      = 1
)

type ProxyHandler struct {
	Parent *Router
}

type RouterOption struct {
	HostUUID           string
	Port               int
	UseTls             bool
	ForceHttpsRedirect bool
	TlsManager         *tlscert.Manager
	RedirectRuleTable  *redirection.RuleTable
	GeodbStore         *geodb.Store
	StatisticCollector *statistic.Collector
}

type Router struct {
	Option            *RouterOption
	ProxyEndpoints    *sync.Map
	SubdomainEndpoint *sync.Map
	Running           bool
	Root              *ProxyEndpoint
	mux               http.Handler
	server            *http.Server
	tlsListener       net.Listener
	routingRules      []*RoutingRule

	tlsRedirectStop chan bool
}

// Auth credential for basic auth on certain endpoints
type BasicAuthCredentials struct {
	Username     string
	PasswordHash string
}

// Auth credential for basic auth on certain endpoints
type BasicAuthUnhashedCredentials struct {
	Username string
	Password string
}

// A proxy endpoint record
type ProxyEndpoint struct {
	ProxyType            int                     //The type of this proxy, see const def
	RootOrMatchingDomain string                  //Root for vdir or Matching domain for subd
	Domain               string                  //Domain or IP to proxy to
	RequireTLS           bool                    //Target domain require TLS
	SkipCertValidations  bool                    //Set to true to accept self signed certs
	RequireBasicAuth     bool                    //Set to true to request basic auth before proxy
	BasicAuthCredentials []*BasicAuthCredentials `json:"-"`
	Proxy                *dpcore.ReverseProxy    `json:"-"`
}

type RootOptions struct {
	ProxyLocation        string
	RequireTLS           bool
	SkipCertValidations  bool
	RequireBasicAuth     bool
	BasicAuthCredentials []*BasicAuthCredentials
}

type VdirOptions struct {
	RootName             string
	Domain               string
	RequireTLS           bool
	SkipCertValidations  bool
	RequireBasicAuth     bool
	BasicAuthCredentials []*BasicAuthCredentials
}

type SubdOptions struct {
	MatchingDomain       string
	Domain               string
	RequireTLS           bool
	SkipCertValidations  bool
	RequireBasicAuth     bool
	BasicAuthCredentials []*BasicAuthCredentials
}

/*
type ProxyEndpoint struct {
	Root string
	Domain         string
	RequireTLS     bool
	Proxy          *reverseproxy.ReverseProxy `json:"-"`
}

type SubdomainEndpoint struct {
	MatchingDomain string
	Domain         string
	RequireTLS     bool
	Proxy          *reverseproxy.ReverseProxy `json:"-"`
}
*/