syntax = "proto3";
package sesh;

service Seshd {
	// Sessions
	rpc StartSession (SeshStartRequest) returns (SeshStartResponse);
	rpc KillSession (SeshKillRequest) returns (SeshKillResponse);
	rpc ListSessions (SeshListRequest) returns (SeshListResponse);

	// Attach / Detach
	rpc AttachSession (SeshAttachRequest) returns (SeshAttachResponse);
	rpc DetachSession (SeshDetachRequest) returns (SeshDetachResponse);

	// Resize
 	rpc ResizeSession (SeshResizeRequest) returns (SeshResizeResponse);

	// Server
	rpc ShutdownServer (ShutdownServerRequest) returns (ShutdownServerResponse);
}

service SeshCLI {
	rpc Detach (ClientDetachRequest) returns (ClientDetachResponse);
}

message ClientDetachRequest {}
message ClientDetachResponse {}

message SeshResizeRequest {
	oneof session {
		string name = 1;
		uint64 id = 2;
	}
	WinSize size = 3;
}

message SeshResizeResponse {}

message SeshDetachRequest {
	oneof session {
		string name = 1;
		uint64 id = 2;
	}
}

message SeshDetachResponse {
	bool success = 1;
}

message WinSize {
 	uint32 rows = 1;
	uint32 cols = 2;
}

message SeshAttachRequest {
	oneof session {
		string name = 1;
		uint64 id = 2;
	};
	WinSize size = 3;
}

message SeshAttachResponse {
	string socket = 1;
	int32 pid = 2;
	string name = 3;
	string program = 4;
}

message ShutdownServerRequest {}

message ShutdownServerResponse {
	bool success = 1;
}

message Var {
	string key = 1;
	string value = 2;
}

message SeshStartRequest {
	string name = 1;
	string program = 2;
	repeated string args = 3;
	WinSize size = 4;
	string pwd = 5;
	repeated Var env = 6;
}

message SeshStartResponse {
	string socket = 1;
	int32 pid = 2;
	string name = 3;
	string program = 4;
}

message SeshKillRequest {
	oneof session {
		string name = 1;
		uint64 id = 2;
	}
}

message SeshKillResponse {
	bool success = 1;
}

message SeshListRequest {}

message SeshInfo {
	uint64 id = 1;
	string name = 2;
	string program = 3;
	string socket = 4;
	bool connected = 5;
	int64 start_time = 6;
	int64 attach_time = 7;
	int32 pid = 8;
}

message SeshListResponse {
	repeated SeshInfo sessions = 1;
}