class Campaigns {
    
    constructor(campaigns) {
        this.campaigns = campaigns.sort((a,b) => a.id - b.id);
    }
    
    set current_campaign(campaign_id) {
        this.current = this.campaign(campaign_id);
    }
    
    get campaign_name() {
        return this.current.id + ' | ' + this.current.name;
    }
    
    get banners() {
        return this.current.banners || [];
    }
    
    get emails() {
        return this.current.emails || [];
    }
    
    get texts() {
        return this.current.texts || [];   
    }
    
    get files() {
        return this.current.files || [];
    }

    get numbers() {
        return this.current.numbers || [];
    }

    get links() {
        let landing_page = {name: "Main Redirector", link: this.current.landing_page};
        let links = this.current.links.map(l => {
            return {"name": l.name, "link": l.url}
        });
        
        if(this.current.landing_page) links.unshift(landing_page);
        return links;
        
    }
    
    campaign(campaign_id) {
        return this.campaigns.find(campaign => campaign.id == campaign_id);
    }
    
    banner(banner_id) {
        return this.banners.find(banner => banner.id == banner_id);
    }
    
    email(email_id) {
        return this.emails.find(email => email.id == email_id);
    }
    
    text(text_id) {
        return this.texts.find(text => text.id == text_id);   
    }
    
    file(file_id) {
        return this.files.find(file => file.id == file_id);
    }
    
    link(link_id) {
        return this.links.find(link => link.id == link_id);
    }
    
}