import { type ResponseError } from "superagent";

import { findCauseByFunc } from "../../../utils/ErrorUtils.ts";
import { isSuperAgentResponseError } from "../../errors/ErrorUtils.ts";

export interface MalojaAlbumData {
    name?: string
    albumtitle?: string
    artists: string[]
}

export interface MalojaV3ScrobbleData {
    /**
     * unix timestamp (seconds) scrobble was made at
     * */
    time: number
    track: {
        artists: string[]
        title: string
        album?: MalojaAlbumData | null
        /**
         * length of the track
         * */
        length: number
    }
    /**
     * how long the track was listened to before it was scrobbled
     * */
    duration?: number
}

export type MalojaScrobbleData = MalojaV3ScrobbleData;

export interface MalojaScrobbleRequestData {
    /** The auth key used to scrobble */
    key?: string
    /** name of the track */
    title: string
    /** name of the album */
    album?: string
    /** unix timestamp of when the track was scrobbled*/
    time: number
    /** length of the track in seconds */
    length?: number
    /** number of seconds the track was listened to */
    duration?: number
}

export interface MalojaScrobbleV3RequestData extends MalojaScrobbleRequestData {
    /** a list of artists for this track */
    artists: string[]
    /** a list of artists for the album the track is on */
    albumartists?: string[]
    /** skip server-side metadata parsing */
    nofix?: boolean
}

export interface MalojaScrobbleWarning {
    type: string
    value: string[] | string
    desc: string
}

export interface MalojaResponseV3CommonData {
    status: 'failure' | 'error' | 'success' | 'ok'
    error?: {
        type: string
        value?: string | MalojaV3ScrobbleData & { [key: string]: any }
        desc: string
    }
}

export interface MalojaScrobbleV3ResponseData extends MalojaResponseV3CommonData {
    track?: {
        title: string
        artists: string[]
        album?: MalojaAlbumData | null
    }
    desc: string
    warnings?: MalojaScrobbleWarning[]
}

export const isMalojaAPIErrorBody = (body: any): body is MalojaResponseV3CommonData => {
    return typeof body === 'object'
        && 'status' in body
        && typeof body.status === 'string'
        && 'error' in body
        && typeof body.error === 'object'
        && 'type' in body.error;
}

export const getMalojaResponseError = (e: Error, asObject: boolean = false): ResponseError | undefined => {
    return findCauseByFunc(e, (err) => {
        if (!isSuperAgentResponseError(err)) {
            return false;
        }
        return isMalojaAPIErrorBody(err.response.body);
    }) as ResponseError | undefined;
}

export const getMalojaRawResponse = (e: Error, asObject: boolean = false): string | object | undefined => {
    const err = getMalojaResponseError(e);
    if (err === undefined) {
        return undefined;
    }
    const {
        response: {
            body,
            text
        } = {}
    } = err;
    if (asObject) {
        return body as object;
    }
    return text;
}
