import User from "../data/User.ts";
import BaseApi from "./BaseApi.ts"
import TokenManager from "./TokenManager.ts";

export default class UserApi extends BaseApi {
    override getName(): string {
        return "User"
    }
    override onInit(): void {
        // 驗證
        this.registerEvent("User.auth", (args) => {
            if (this.checkArgsMissing(args, ['access_token'])) return {
                msg: "參數缺失",
                code: 400,
            }
            try {
                const access_token = TokenManager.decode(args.access_token as string)

                if (access_token.expired_time > Date.now()) return {
                    msg: "登錄令牌失效",
                    code: 401,
                }

                return {
                    msg: "成功",
                    code: 200,
                }
            } catch (e) {
                const err = e as Error
                if (err.message.indexOf("JSON") != -1)
                    return {
                        msg: "無效的登錄令牌",
                        code: 401,
                    }
                else
                    throw e
            }
        })
        // 登錄
        this.registerEvent("User.login", (args) => {
            if (this.checkArgsMissing(args, ['account', 'password'])) return {
                msg: "參數缺失",
                code: 400,
            }
            if (this.checkArgsEmpty(args, ['account', 'password'])) return {
                msg: "參數不得為空",
                code: 400,
            }

            const user = (User.findByUserName(args.account as string) || User.findById(args.account as string)) as User
            if (user == null) return {
                msg: "賬號或密碼錯誤",
                code: 400,
            }

            if (user.getPassword() == args.password) return {
                msg: "成功",
                code: 200,
                data: {
                    access_token: TokenManager.make(user)
                },
            }

            return {
                msg: "賬號或密碼錯誤",
                code: 400,
            }
        })
        // 注冊
        this.registerEvent("User.register", (args) => {
            if (this.checkArgsMissing(args, ['nickname', 'password'])) return {
                msg: "參數缺失",
                code: 400,
            }
            if (this.checkArgsEmpty(args, ['nickname', 'password'])) return {
                msg: "參數不得為空",
                code: 400,
            }

            const username: string | null = args.username as string
            const nickname: string = args.nickname as string
            const password: string = args.password as string

            const user = User.createWithUserNameChecked(username, password, nickname, null)

            return {
                msg: "成功",
                code: 200,
                data: {
                    userid: user.bean.id
                },
            }
        })
    }
}