import type { AsyncClient, DisposableClient, DisposableAsyncClient, PreparedStatementParams, ResultRow, RunResult, SqlfuProjectConfig } from './types.js';
import type { QueryCatalog } from './typegen/query-catalog.js';
import type { SqlAnalysisResponse } from './ui/shared.js';
export type { DisposableAsyncClient, DisposableClient } from './types.js';
export type AdHocSqlResult = {
    mode: 'rows';
    rows: ResultRow[];
} | {
    mode: 'metadata';
    metadata: RunResult;
};
export type AdHocSqlParams = PreparedStatementParams | undefined;
export interface HostFs {
    readFile(path: string): Promise<string>;
    writeFile(path: string, contents: string): Promise<void>;
    readdir(path: string): Promise<string[]>;
    mkdir(path: string): Promise<void>;
    rm(path: string, options?: {
        force?: boolean;
    }): Promise<void>;
    rename(from: string, to: string): Promise<void>;
    exists(path: string): Promise<boolean>;
}
export interface HostLogger {
    log(...args: unknown[]): void;
    warn(...args: unknown[]): void;
    error(...args: unknown[]): void;
}
export interface HostCatalog {
    load(config: SqlfuProjectConfig): Promise<QueryCatalog>;
    refresh(config: SqlfuProjectConfig): Promise<void>;
    analyzeSql(config: SqlfuProjectConfig, sql: string): Promise<SqlAnalysisResponse>;
}
export interface SqlfuHost {
    fs: HostFs;
    openDb(config: SqlfuProjectConfig): Promise<DisposableAsyncClient>;
    openScratchDb(slug: string): Promise<DisposableAsyncClient>;
    execAdHocSql(client: AsyncClient, sql: string, params: AdHocSqlParams): Promise<AdHocSqlResult>;
    initializeProject(input: {
        projectRoot: string;
        configContents: string;
        configPath?: string;
    }): Promise<void>;
    digest(content: string): Promise<string>;
    now(): Date;
    uuid(): string;
    logger: HostLogger;
    catalog: HostCatalog;
}
export type SqlfuUiHost = {
    openDb(config: SqlfuProjectConfig): Promise<DisposableClient>;
    openScratchDb?(slug: string): Promise<DisposableClient>;
} & Partial<Omit<SqlfuHost, 'openDb' | 'openScratchDb'>>;