/**
 * 邮件的模板，在GM后台能看到的邮件列表
 */
import BaseModel from './BaseModel';
import { getModelForClass, prop, DocumentType } from '@typegoose/typegoose';
import { nowSeconds } from '../pubUtils/timeUtil';
import { GM_MAIL_TYPE } from '../consts/constModules/mailConst';

class Reward {
    @prop({ required: true })
    id: number;
    @prop({ required: true })
    count: number;
}

export default class GMMail extends BaseModel {

    @prop({ required: true, type: Reward, default: [], _id: false })
    goods: Reward[];

    @prop({ required: true, default: nowSeconds() })
    sendTime: number;

    @prop({ required: true })
    endTime: number;

    @prop({ required: true })
    content: string;
    
    @prop({ required: true })
    sendName: string;

    @prop({ required: true, enum: GM_MAIL_TYPE })
    mailType: GM_MAIL_TYPE; // 1-单人邮件 2-多人邮件 3-全服邮件

    public static async addMail(params: GMMailTypeParam) {
        const doc = new GMMailModel();
        let mail = Object.assign(doc.toJSON(), params);
        mail = await GMMailModel.findOneAndUpdate({ _id: mail._id }, { $set: mail }, {upsert: true, new: true}).lean();
        return mail;
    }

    public static async getGmMailById(_id: string, lean = true) {
        const result: GMMailType = await GMMailModel.findOne({ _id }).lean(lean);
        return result;
    }

    public static async getMail(updatedMailAt: number, lean = true) {
        const result: GMMailType[] = await GMMailModel.find({ $or: [{updatedAt: { $gte: new Date(updatedMailAt) }}, {sendTime: { $lte: nowSeconds() }}], endTime: { $gte: nowSeconds()} }).lean(lean);
        return result;   
    }
    
    public static async getMails( lean = true) {
        const result: GMMailType[] = await GMMailModel.find({ endTime: { $gte: nowSeconds() }}).lean(lean);
        return result;
    }

}

export const GMMailModel = getModelForClass(GMMail);

export interface GMMailType extends Pick<DocumentType<GMMail>, keyof GMMail> { };

export type GMMailTypeParam = Partial<GMMailType>; // 将所有字段变成可选项