import * as Knex from 'knex'
import * as Koa from 'koa'
import * as Bluebird from 'bluebird';
import * as Logger from 'jinghuan-logger';

type Upload = {
    pathname: string,
    filename: string
}

declare function PropApi(): void;

declare function PropAction(props: { auth: boolean, login: boolean }): void;

interface JinghuanDb extends Knex.QueryBuilder {
    sql(sql: string): JinghuanDb

    logger(logger: Logger): JinghuanDb
}

interface JinghuanContext extends Koa.Context {
    module: string;
    controller: string;
    action: string;
    userAgent: string;
    isGet: boolean;
    isPost: boolean;
    body: object | string | number;
    logger: Logger

    referer(onlyHost: boolean): string;

    referrer(onlyHost: boolean): string;

    isMethod(method: string): boolean;

    isAjax(method: string): boolean;

    expires(time: any): any

    param(name?: string): object;

    post(name?: string): object | string;

    file(name?: string): object;

    download(filepath: string, filename?: string): void;

    upload(file: string, dir: string, filename: string, filter?: []): Upload

    db(table: string): JinghuanDb;

    db(type: symbol, table: string): JinghuanDb;

    db<T>(transactionScope: (trx: Knex.Transaction) => Promise<T> | Bluebird<T> | void): Promise<T>;

    db<T>(transactionScope: (type: symbol, trx: Knex.Transaction) => Promise<T> | Bluebird<T> | void): Promise<T>;

    sql(sql: string): JinghuanDb;

    config(name: string): object | string | number

    cache(type: symbol, key: string, val: object | string | number, expire?: number): Promise<string | object | number>

    cache(key: string, val: object | string | number, expire?: number): Promise<string | object | number>

    cache(type: symbol, key: string): Promise<string | object | number>

    cache(key: string): Promise<string | object | number>

    session(type: symbol, key: string, val: object | string | number, expire?: number): Promise<string | object | number>

    session(key: string, val: object | string | number, expire?: number): Promise<string | object | number>

    session(type: symbol, key: string): Promise<string | object | number>

    session(key: string): Promise<string | object | number>

}

interface JinghuanController {
    ctx: JinghuanContext;
    userAgent: string;
    isGet: boolean;
    isPost: boolean;
    body: object | string | number;

    referer(onlyHost: boolean): string;

    referrer(onlyHost: boolean): string;

    isMethod(method: string): boolean;

    isAjax(method: string): boolean;

    expires(time: number)

    param(name?: string): object;

    post(name?: string): object;

    file(name?: string): object;

    download(filepath: string, filename?: string): void;

    upload(file: string, dir: string, filename: string, filter?: string[]): Upload

    redirect(url: string, alt: string)

    db(table: string): JinghuanDb;

    db(type: symbol, table: string): JinghuanDb;

    db<T>(transactionScope: (trx: Knex.Transaction) => Promise<T> | Bluebird<T> | void): Promise<T>;

    db<T>(transactionScope: (type: symbol, trx: Knex.Transaction) => Promise<T> | Bluebird<T> | void): Promise<T>;

    sql(sql: string): JinghuanDb;

    config(name: string): object | string | number

    cache(type: symbol, key: string, val: object | string | number, expire?: number): Promise<string | object | number>

    cache(key: string, val: object | string | number, expire?: number): Promise<string | object | number>

    cache(type: symbol, key: string): Promise<string | object | number>

    cache(key: string): Promise<string | object | number>

    session(type: symbol, key: string, val: object | string | number, expire?: number): Promise<string | object | number>

    session(key: string, val: object | string | number, expire?: number): Promise<string | object | number>

    session(type: symbol, key: string): Promise<string | object | number>

    session(key: string): Promise<string | object | number>
}

declare namespace jinghuanjs {
    const JH_ROOT: string;
    const APP_PATH: string;
    const ROOT_PATH: string;
    const modules: string[];
    const modulePaths: object;
    const mode: string;
    const source: string;
    const env: string;
    const workers: string;
    const PORT: string;
    const HOST: string;
    const paths: string[];
    const process_id: number;
    const watcher: boolean;
    const version: string;

    interface Controller extends JinghuanController {
    }

    const app: Koa;
    const logger: Logger
}