import { ContentFile } from '../content/mod';

export class ContentList{
    /** path map */
    private cl:Map<string,ContentFile>;
    /** hash map */
    private hl:Map<string,ContentFile>;
    
    constructor(){
        this.cl = new Map;
        this.hl = new Map;
    }
    hasByHash(s:string){
        return this.hl.has(s);
    }
    hasByPath(p:string){
        return this.cl.has(p);
    }
    getByHash(s:string){
        return this.hl.get(s)
    }
    getByPath(p:string){
        return this.cl.get(p);
    }
    async set(c:ContentFile){
        const path = c.path;
        const hash = await c.getHash();
        this.cl.set(path,c);
        this.hl.set(hash,c);
    }
    /** delete content file */
    async delete(c:ContentFile){
        const hash = await c.getHash();
        let r = true;
        r = this.cl.delete(c.path) && r;
        r = this.hl.delete(hash) && r;
        return r;
    }
    async deleteByPath(p:string){
        const o = this.getByPath(p);
        if(o === undefined) return false;
        return await this.delete(o);
    }
    deleteByHash(s:string){
        const o = this.getByHash(s);
        if(o === undefined) return false;
        let r = true;
        r = this.cl.delete(o.path) && r;
        r = this.hl.delete(s) && r;
        return r;
    }
    clear(){
        this.cl.clear();
        this.hl.clear();
    }
    getAll(){
        return [...this.cl.values()];
    }
}