package liberrors

import (
	"fmt"

	"github.com/aler9/gortsplib/pkg/base"
)

// ErrClientWrongState is returned in case of a wrong client state.
type ErrClientWrongState struct {
	AllowedList []fmt.Stringer
	State       fmt.Stringer
}

// Error implements the error interface.
func (e ErrClientWrongState) Error() string {
	return fmt.Sprintf("must be in state %v, while is in state %v",
		e.AllowedList, e.State)
}

// ErrClientSessionHeaderInvalid is returned in case of an invalid session header.
type ErrClientSessionHeaderInvalid struct {
	Err error
}

// Error implements the error interface.
func (e ErrClientSessionHeaderInvalid) Error() string {
	return fmt.Sprintf("invalid session header: %v", e.Err)
}

// ErrClientWrongStatusCode is returned in case of a wrong status code.
type ErrClientWrongStatusCode struct {
	Code    base.StatusCode
	Message string
}

// Error implements the error interface.
func (e ErrClientWrongStatusCode) Error() string {
	return fmt.Sprintf("wrong status code: %d (%s)", e.Code, e.Message)
}

// ErrClientContentTypeMissing is returned in case the Content-Type header is missing.
type ErrClientContentTypeMissing struct{}

// Error implements the error interface.
func (e ErrClientContentTypeMissing) Error() string {
	return "Content-Type header is missing"
}

// ErrClientContentTypeUnsupported is returned in case the Content-Type header is unsupported.
type ErrClientContentTypeUnsupported struct {
	CT base.HeaderValue
}

// Error implements the error interface.
func (e ErrClientContentTypeUnsupported) Error() string {
	return fmt.Sprintf("unsupported Content-Type header '%v'", e.CT)
}

// ErrClientCannotReadPublishAtSameTime is returned when the client is trying to read and publish at the same time.
type ErrClientCannotReadPublishAtSameTime struct{}

// Error implements the error interface.
func (e ErrClientCannotReadPublishAtSameTime) Error() string {
	return "cannot read and publish at the same time"
}

// ErrClientCannotSetupTracksDifferentURLs is returned when the client is trying to setup tracks with different base URLs.
type ErrClientCannotSetupTracksDifferentURLs struct{}

// Error implements the error interface.
func (e ErrClientCannotSetupTracksDifferentURLs) Error() string {
	return "cannot setup tracks with different base URLs"
}

// ErrClientUDPPortsZero is returned when one of the UDP ports is zero.
type ErrClientUDPPortsZero struct{}

// Error implements the error interface.
func (e ErrClientUDPPortsZero) Error() string {
	return "rtpPort and rtcpPort must be both zero or non-zero"
}

// ErrClientUDPPortsNotConsecutive is returned when the two UDP ports are not consecutive.
type ErrClientUDPPortsNotConsecutive struct{}

// Error implements the error interface.
func (e ErrClientUDPPortsNotConsecutive) Error() string {
	return "rtcpPort must be rtpPort + 1"
}

// ErrClientServerPortsZero is returned when one of the server ports is zero.
type ErrClientServerPortsZero struct{}

// Error implements the error interface.
func (e ErrClientServerPortsZero) Error() string {
	return "server ports must be both zero or both not zero"
}

// ErrClientServerPortsNotProvided is returned in case the server ports have not been provided.
type ErrClientServerPortsNotProvided struct{}

// Error implements the error interface.
func (e ErrClientServerPortsNotProvided) Error() string {
	return "server ports have not been provided. Use AnyPortEnable to communicate with this server"
}

// ErrClientTransportHeaderInvalid is returned in case the transport header is invalid.
type ErrClientTransportHeaderInvalid struct {
	Err error
}

// Error implements the error interface.
func (e ErrClientTransportHeaderInvalid) Error() string {
	return fmt.Sprintf("invalid transport header: %v", e.Err)
}

// ErrClientTransportHeaderNoInterleavedIDs is returned in case the transport header doesn't contain interleaved IDs.
type ErrClientTransportHeaderNoInterleavedIDs struct{}

// Error implements the error interface.
func (e ErrClientTransportHeaderNoInterleavedIDs) Error() string {
	return "transport header does not contain interleaved IDs"
}

// ErrClientTransportHeaderWrongInterleavedIDs is returned in case the transport header contains wrong interleaved IDs.
type ErrClientTransportHeaderWrongInterleavedIDs struct {
	Expected [2]int
	Value    [2]int
}

// Error implements the error interface.
func (e ErrClientTransportHeaderWrongInterleavedIDs) Error() string {
	return fmt.Sprintf("wrong interleaved IDs, expected %v, got %v", e.Expected, e.Value)
}

// ErrClientNoUDPPacketsRecently is returned when no UDP packets have been received recently.
type ErrClientNoUDPPacketsRecently struct{}

// Error implements the error interface.
func (e ErrClientNoUDPPacketsRecently) Error() string {
	return "no UDP packets received recently (maybe there's a firewall/NAT in between)"
}

// ErrClientRTPInfoInvalid is returned in case of an invalid RTP-Info.
type ErrClientRTPInfoInvalid struct {
	Err error
}

// Error implements the error interface.
func (e ErrClientRTPInfoInvalid) Error() string {
	return fmt.Sprintf("invalid RTP-Info: %v", e.Err)
}