/**
 * Wire protocol for the control link to the master dashboard.
 *
 * Mirror of the block at the bottom of `autotrader-master/types.ts`, which is
 * the source of truth. The two repos deploy independently, so change both
 * together — and only ever by adding, since an instance and a master can be
 * running different versions of this file at the same time.
 */

export interface FirmStats {
    firm: string;
    totalAccounts: number;
    accountsTraded: number;
    inTrade: number;
}

export interface SchedulerState {
    running: boolean;
    action: 'Buy' | 'Sell' | 'Auto';
    symbol: string;
    lastRun: string | null;
    intervalSeconds: number;
    stopAfterAll?: boolean;
}

export interface AutomationSummary {
    key: string;
    label: string;
    firm: string;
    inputs: { id: string; label: string; min: number; max: number; default: number }[];
}

export interface InstanceCapabilities {
    symbols: string[];
    automations: AutomationSummary[];
    runnerOnline: boolean;
}

export type Command =
    | { kind: 'trade'; action: 'Buy' | 'Sell' | 'Auto'; symbol: string; stopAfterAll?: boolean }
    | { kind: 'stop-trading' }
    | { kind: 'autobuyer-run'; automationId: string; inputs?: Record<string, number> }
    | { kind: 'report-now' };

export type MasterMessage =
    | { type: 'welcome' }
    | { type: 'command'; id: string; command: Command };

export type InstanceMessage =
    | { type: 'hello'; instance: string; capabilities: InstanceCapabilities }
    | { type: 'report'; firms: FirmStats[]; scheduler: SchedulerState; capabilities?: InstanceCapabilities }
    | { type: 'ack'; id: string; ok: boolean; result?: unknown; error?: string };