/**
 * Class model for Collection Interface
 */

import type { CollectionContentTypes, CollectionInterface, CollectionPropertiesInterface } from "@/types/collection";

export class CollectionObject implements CollectionInterface {

    _data!: CollectionInterface;

    constructor() {
        this._data = {
            provider: '',
            service: '',
            collection: null,
            identifier: '',
            signature: null,
            created: null,
            modified: null,
            properties: new CollectionPropertiesObject(),
        };
    }

    fromJson(data: CollectionInterface): CollectionObject {
        this._data = data;
        if (data.properties) {
            this._data.properties = new CollectionPropertiesObject().fromJson(data.properties as CollectionPropertiesInterface);
        }
        return this;
    }

    toJson(): CollectionInterface {
        const json = { ...this._data };
        if (this._data.properties instanceof CollectionPropertiesObject) {
            json.properties = this._data.properties.toJson();
        }
        return json;
    }

    clone(): CollectionObject {
        const cloned = new CollectionObject();
        cloned._data = { ...this._data };
        cloned._data.properties = this.properties.clone();
        return cloned;
    }

    /** Immutable Properties */

    get provider(): string {
        return this._data.provider;
    }

    get service(): string | number {
        return this._data.service;
    }

    get collection(): string | number | null {
        return this._data.collection;
    }

    get identifier(): string | number {
        return this._data.identifier;
    }

    get signature(): string | null | undefined {
        return this._data.signature;
    }

    get created(): string | null | undefined {
        return this._data.created;
    }

    get modified(): string | null | undefined {
        return this._data.modified;
    }

    get properties(): CollectionPropertiesObject {
        if (this._data.properties instanceof CollectionPropertiesObject) {
            return this._data.properties;
        }

        if (this._data.properties) {
            const hydrated = new CollectionPropertiesObject().fromJson(this._data.properties as CollectionPropertiesInterface);
            this._data.properties = hydrated;
            return hydrated;
        }
        
        return new CollectionPropertiesObject();
    }

    set properties(value: CollectionPropertiesObject) {
        if (value instanceof CollectionPropertiesObject) {
            this._data.properties = value as any;
        } else {
            this._data.properties = value;
        }
    }
}

export class CollectionPropertiesObject implements CollectionPropertiesInterface {

    _data!: CollectionPropertiesInterface;

    constructor() {
        this._data = {
            '@type': 'chrono:collection',
            version: 1,
            content: [],
            label: '',
            description: null,
            rank: null,
            visibility: null,
            color: null,
        };
    }

    fromJson(data: CollectionPropertiesInterface): CollectionPropertiesObject {
        this._data = data;
        return this;
    }

    toJson(): CollectionPropertiesInterface {
        return this._data;
    }

    clone(): CollectionPropertiesObject {
        const cloned = new CollectionPropertiesObject();
        cloned._data = { ...this._data };
        return cloned;
    }

    /** Immutable Properties */

    get '@type'(): string {
        return this._data['@type'];
    }

    get version(): number {
        return this._data.version;
    }

    get content(): CollectionContentTypes[] {
        return this._data.content || [];
    }

    /** Mutable Properties */

    get label(): string {
        return this._data.label || '';
    }

    set label(value: string) {
        this._data.label = value;
    }

    get description(): string | null {
        return this._data.description;
    }

    set description(value: string | null) {
        this._data.description = value;
    }

    get rank(): number | null {
        return this._data.rank;
    }

    set rank(value: number | null) {
        this._data.rank = value;
    }

    get visibility(): boolean | null {
        return this._data.visibility;
    }

    set visibility(value: boolean | null) {
        this._data.visibility = value;
    }

    get color(): string | null {
        return this._data.color;
    }

    set color(value: string | null) {
        this._data.color = value;
    }

}