import { IWakeWordDetector } from "./types.js";

export class WakeWordDetector implements IWakeWordDetector {
    private isListening: boolean = false;
    private isInitialized: boolean = false;

    public async initialize(): Promise<void> {
        if (this.isInitialized) {
            return;
        }
        // Initialization logic will be implemented here
        await this.setupDetector();
        this.isInitialized = true;
    }

    public async shutdown(): Promise<void> {
        if (this.isListening) {
            await this.stopListening();
        }
        if (this.isInitialized) {
            await this.cleanupDetector();
            this.isInitialized = false;
        }
    }

    public async startListening(): Promise<void> {
        if (!this.isInitialized) {
            throw new Error("Wake word detector is not initialized");
        }
        if (this.isListening) {
            return;
        }
        await this.startDetection();
        this.isListening = true;
    }

    public async stopListening(): Promise<void> {
        if (!this.isListening) {
            return;
        }
        await this.stopDetection();
        this.isListening = false;
    }

    private async setupDetector(): Promise<void> {
        // Setup logic will be implemented here
        await new Promise(resolve => setTimeout(resolve, 100)); // Placeholder
    }

    private async cleanupDetector(): Promise<void> {
        // Cleanup logic will be implemented here
        await new Promise(resolve => setTimeout(resolve, 100)); // Placeholder
    }

    private async startDetection(): Promise<void> {
        // Start detection logic will be implemented here
        await new Promise(resolve => setTimeout(resolve, 100)); // Placeholder
    }

    private async stopDetection(): Promise<void> {
        // Stop detection logic will be implemented here
        await new Promise(resolve => setTimeout(resolve, 100)); // Placeholder
    }
}