import { ISdtfParser, SdtfError } from '@shapediver/sdk.sdtf-core';
import { ISdtfFormatter } from './formatter/ISdtfFormatter';
import { SdtfFormatter } from './formatter/SdtfFormatter';
import { SdtfParser } from './reader/SdtfParser';
import { SdtfConfig } from './SdtfConfig';
import { ISdtfConstructor } from './writer/ISdtfConstructor';
import { SdtfConstructor } from './writer/SdtfConstructor';

/** Partial definition of the sdk's config object. */
export type ISdtfConfig = Partial<SdtfConfig>;

/** Returns a new instance of the ShapeDiver sdTf SDK. */
export async function create(config?: ISdtfConfig): Promise<SdtfSdk> {
    const sdk = new SdtfSdk(config);
    await sdk.init();
    return sdk;
}

export class SdtfSdk {
    private readonly config: SdtfConfig;

    constructor(config?: ISdtfConfig) {
        this.config = new SdtfConfig(config);
    }

    /**
     * Instantiates and returns a new sdTF parser object.
     * The parser reads sdTF data from various sources and returns an asset object, that represents the hierarchy of
     * the sdTF file and provides easy access functionality for embedded values and binary data.
     */
    createParser(): ISdtfParser {
        return new SdtfParser(this.config);
    }

    /**
     * Instantiates and returns a new sdTF constructor object.
     * The constructor provides functionality to create new sdTF assets.
     */
    createConstructor(): ISdtfConstructor {
        return new SdtfConstructor(this.config.integrations);
    }

    /** Instantiates and returns a new formatter to convert sdTF components into prettified JSON data. */
    createFormatter(): ISdtfFormatter {
        return new SdtfFormatter(this.config.integrations);
    }

    /** Initializes all specified sdTF integrations. */
    async init(): Promise<void> {
        const promiseArray: Promise<void>[] = [];
        this.config.integrations.forEach((integration) => promiseArray.push(integration.init()));
        const res = await Promise.allSettled(promiseArray);

        res.forEach((promiseRes) => {
            if (promiseRes.status === 'rejected') {
                const e = promiseRes.reason;
                throw new SdtfError(`Could not initialize all integrations: ${e}`);
            }
        });
    }
}