/* eslint-disable max-len */
import BaseConnection from "./base";

/**
 * @description A Generic CSV Implementation of BaseConnection
 */
export default class CsvConnection extends BaseConnection {
    fileName: string;
    loadFileContents: (fileName: string) => Array<any>;
    rawTransactions: Array<any>;
    transactions: Array<any>;

    // eslint-disable-next-line valid-jsdoc
    /**
     * @description Create CSV Connection instance
     * @param {string} name - Name of connection
     * @param {string} fileName - CVS file with transactions
     * @param {(fileName: string) => Array<any>} loadFileContents - Method used to load csv contents from filename
     */
    constructor(
        name: string,
        fileName: string,
        loadFileContents: (fileName: string) => Array<any>
    ) {
        super(name, "csv", { requireSymbols: false });
        this.fileName = fileName;
        this.loadFileContents = loadFileContents;
        this.transactions = [];
        this.rawTransactions = [];
    }

    /**
     * JSON object representing connection
     * @override BaseConnection.toJSON
     * @return {any}
     */
    toJSON(): any {
        const newJSON = super.toJSON();
        const updatedParams: any = newJSON.params;
        updatedParams.fileName = this.fileName;
        newJSON.params = updatedParams;
        return newJSON;
    }

    /**
     * @description Format csv transactions
     * @return {void}
     */
    _formatTransactions(): void {
        throw Error(
            `NotImplementedError: ${this.name}._formatTransactions() has not been implemented.`
        );
    }

    /**
     * @description Format csv orders
     * @return {void}
     */
    _formatOrders(): void {
        throw Error(
            `NotImplementedError: ${this.name}._formatOrders() has not been implemented.`
        );
    }

    /**
     * @description Download csv for storage bucket
     * @override BaseConnection.initialize
     * @param {boolean} forceReload - (Optional) Additional paramaters
     * @return {Promise<void>}
     */
    async initialize(forceReload: boolean = false): Promise<void> {
        if (!this.initialized || forceReload) {
            this.rawTransactions = await this.loadFileContents(this.fileName);
            this.initialized = true;
        }
    }

    /**
     * @description Filter csv connection transactions for withdrawals
     * @override BaseConnection.getWithdrawals
     * @param {string} key - Withdrawal key (default="send")
     * @return {Promise<Array<any>>} Array of withdrawal objects
     */
    async getWithdrawals(key: string = "send"): Promise<Array<any>> {
        if (!this.initialized) {
            await this.initialize();
        }
        return this.transactions.filter((x: any) => x.type === key);
    }

    /**
     * @description Filter csv connection transactions for deposits
     * @override BaseConnection.getDeposits
     * @param {string} key - Withdrawal key (default="receive")
     * @return {Promise<Array<any>>} Array of deposit objects
     */
    async getDeposits(key: string = "receive"): Promise<Array<any>> {
        if (!this.initialized) {
            await this.initialize();
        }
        return this.transactions.filter((x: any) => x.type === key);
    }

    /**
     * @description Filter csv connection transactions for buys and sells
     * @override BaseConnection.getOrders
     * @param {Array<string>} keys - Order keys (default=["buy", "sell", "swap"])
     * @return {Promise<Array<any>>} Array of order objects
     */
    async getOrders(
        keys: Array<string> = ["buy", "sell", "swap"]
    ): Promise<Array<any>> {
        if (!this.initialized) {
            await this.initialize();
        }
        const test: Array<any> = this.transactions.filter((x: any) =>
            keys.includes(x.type)
        );
        return test;
        // return this.transactions.filter((x: any) => keys.includes(x.type));
    }

    /**
     * @description Get csv connection transactions (withdrawals, deposits, and orders)
     * @override BaseConnection.getTransactions
     * @return {Promise<Array<any>>} Array of withdrawal objects
     */
    async getTransactions(): Promise<Array<any>> {
        if (!this.initialized) {
            await this.initialize();
        }
        return this.transactions;
    }

    /**
     * @description Get all csv connection transactions (withdrawals, deposits, and interest)
     * @override BaseConnection.getAllTransactions
     * @return {Promise<Array<any>>} Array of transaction objects
     */
    async getAllTransactions(): Promise<Array<any>> {
        return await this.getTransactions();
    }
}