import {
    IHttp,
    IHttpRequest,
    IHttpResponse,
    IRead,
} from "@rocket.chat/apps-engine/definition/accessors";
import { EmptyResponseError } from "../errors/EmptyResponseError";
import { JsonParseError } from "../errors/JsonParseError";
import { RcSdkTeam } from "./RcSdkTeam";
import { RcSdkUser } from "./RcSdkUser";

export class RcSdk {
    public user: RcSdkUser;
    public team: RcSdkTeam;
    private readonly baseUrl = "http://localhost:3000/api/v1";
    private readonly http: IHttp;
    private readonly read: IRead;

    constructor(http: IHttp, read: IRead) {
        this.http = http;
        this.read = read;
        this.user = new RcSdkUser(this);
        this.team = new RcSdkTeam(this);
    }

    public async get(url: string, content?: any): Promise<IHttpResponse> {
        return this.http.get(
            this.buildUrl(url),
            await this.buildOptions(content),
        );
    }

    public async post(url: string, content?: any): Promise<IHttpResponse> {
        return this.http.post(
            this.buildUrl(url),
            await this.buildOptions(content),
        );
    }

    public async put(url: string, content?: any): Promise<IHttpResponse> {
        return this.http.put(
            this.buildUrl(url),
            await this.buildOptions(content),
        );
    }

    public async del(url: string, content?: any): Promise<IHttpResponse> {
        return this.http.del(
            this.buildUrl(url),
            await this.buildOptions(content),
        );
    }

    public async patch(url: string, content?: any): Promise<IHttpResponse> {
        return this.http.patch(
            this.buildUrl(url),
            await this.buildOptions(content),
        );
    }

    public parseResponse(response: IHttpResponse): any {
        if (!response.content) {
            throw new EmptyResponseError();
        }
        let content: any;
        try {
            content = JSON.parse(response.content);
        } catch (e) {
            throw new JsonParseError();
        }
        return content;
    }
    private buildUrl(url: string): string {
        return `${this.baseUrl}/${url}`;
    }

    private async buildOptions(content?: any): Promise<IHttpRequest> {
        const options: IHttpRequest = {
            headers: {
                "X-User-Id": await this.read
                    .getEnvironmentReader()
                    .getSettings()
                    .getValueById("rc-user-id"),
                "X-Auth-Token": await this.read
                    .getEnvironmentReader()
                    .getSettings()
                    .getValueById("rc-token"),
                "Content-Type": "application/json",
            },
        };
        if (content !== undefined) {
            options.content = JSON.stringify(content);
        }
        return options;
    }
}