export interface Application {
 readonly categories?: string[]
 readonly comment?: string
 readonly directory?: string
 readonly exec?: string
 readonly genericName?: string
 readonly icon?: string
 readonly installed?: boolean
 readonly name: string
 /**
 * Path if this is a browser app (like VS Code).
 */
 readonly path?: string
 /**
 * PID if this is a process.
 */
 readonly pid?: number
 readonly version?: string
}

export interface ApplicationsResponse {
 readonly applications: ReadonlyArray<Application>
}

export enum SessionError {
 FailedToStart = 4000,
 Starting = 4001,
 InvalidState = 4002,
 Unknown = 4003,
}

export interface SessionResponse {
 /**
 * Whether the process was spawned or an existing one was returned.
 */
 created: boolean
 pid: number
}

export interface RecentResponse {
 readonly paths: string[]
 readonly workspaces: string[]
}

export interface HealthRequest {
 readonly event: "health"
}

export type ClientMessage = HealthRequest

export interface HealthResponse {
 readonly event: "health"
 readonly connections: number
}

export type ServerMessage = HealthResponse

export interface ReadyMessage {
 protocol: string
}