export interface ElyKvNamespace {
  get(key: string): Promise<string | null>;
  put(key: string, value: string): Promise<void>;
  delete(key: string): Promise<void>;
}

export interface ElyR2Object {
  arrayBuffer(): Promise<ArrayBuffer>;
}

export interface ElyR2PutOptions {
  httpMetadata?: { contentType?: string };
  customMetadata?: Record<string, string>;
  sha256?: ArrayBuffer;
}

export interface ElyR2Bucket {
  get(key: string): Promise<ElyR2Object | null>;
  put(key: string, value: ArrayBuffer, options?: ElyR2PutOptions): Promise<ElyR2Object>;
  delete(key: string): Promise<void>;
}

export interface ElyD1PreparedStatement {
  bind(...values: unknown[]): ElyD1PreparedStatement;
  first<T = unknown>(): Promise<T | null>;
  all<T = unknown>(): Promise<ElyD1Result<T>>;
  run(): Promise<unknown>;
}

export interface ElyD1Result<T = unknown> {
  results: T[];
  meta?: {
    changes?: number;
    last_row_id?: number | null;
  };
}

export interface ElyD1Database {
  prepare(query: string): ElyD1PreparedStatement;
  batch<T = unknown>(statements: ElyD1PreparedStatement[]): Promise<T[]>;
  exec(query: string): Promise<unknown>;
}

export interface ElyRateLimit {
  limit(options: { key: string }): Promise<{ success: boolean }>;
}

export interface ElyAnalyticsDataPoint {
  indexes?: (ArrayBuffer | string | null)[];
  doubles?: number[];
  blobs?: (ArrayBuffer | string | null)[];
}

export interface ElyAnalyticsDataset {
  writeDataPoint(event?: ElyAnalyticsDataPoint): void;
}

export interface ElyEmailAddress {
  email: string;
  name: string;
}

export interface ElyEmailMessageBuilder {
  from: string | ElyEmailAddress;
  to: string | string[];
  subject: string;
  text?: string;
  html?: string;
  replyTo?: string | ElyEmailAddress;
  cc?: string | string[];
  bcc?: string | string[];
  headers?: Record<string, string>;
}

export interface ElyEmailSendResult {
  messageId: string;
}

export interface ElySendEmail {
  send(message: ElyEmailMessageBuilder): Promise<ElyEmailSendResult>;
}

export interface Env {
  ELY_DB: ElyD1Database;
  ELY_KV: ElyKvNamespace;
  ELY_STORAGE: ElyR2Bucket;
  ELY_RATE_LIMITER: ElyRateLimit;
  ELY_API_AUDIT: ElyAnalyticsDataset;
  ELY_DIAGNOSTICS: ElyAnalyticsDataset;
  ELY_ENVIRONMENT: string;
  ELY_AUTH_BASE_URL: string;
  ELY_AUTH_SECRET: string;
  ELY_AUTH_GOOGLE_CLIENT_ID?: string;
  ELY_AUTH_GOOGLE_CLIENT_SECRET?: string;
  ELY_AUTH_GITHUB_CLIENT_ID?: string;
  ELY_AUTH_GITHUB_CLIENT_SECRET?: string;
  SEND_EMAIL?: ElySendEmail;
}