//VeterinaryClinic
    class VeterinaryClinic {
        constructor(clinicName, capacity){
            this.clinicName = clinicName;
            this.capacity = capacity;
            this.totalProfit = 0;
            this.clients = [];
        }
        newCustomer(ownerName, petName, kind, procedures){
           let check = true;

        if(this.capacity>0){
            for (let i = 0; i < this.clients.length; i++) {
                const element = this.clients[i];
                console.log(element);
            }
            if(check === true)
            let obj = {};

                obj[ownerName] = [
                    petName,
                    kind,
                    procedures
                ];

                this.clients.push(obj);







            this.capacity--;
          // console.log(this.clients);
            return `Welcome ${petName}!`;

            }else{
            throw new Error(`Sorry, we are not able to accept more patients!`);
            }

        }
        onLeaving(ownerName, petName){



            if (this.clients.find(c => c.ownerName === ownerName && c.petName === petName)){

                for (let i = 0; i < this.clients.length; i++) {
                    const element = this.clients[i];
                   // console.log(element);
                    if(ownerName === element.ownerName && petName === element.petName){
                        if(element.procedures.length === 0){
                           return `Sorry, there are no procedures for ${petName}!`
                        }else{
                        this.totalProfit = element.procedures.length*500;
                        element.procedures = [];
                        this.capacity++;
                       // console.log(this.clients);
                        }
                    }
                }
              // console.log('da');
                return `Goodbye ${petName}. Stay safe!`;
            }else{
                throw new Error(`Sorry, there is no such client!`);
            }
        }
        toString(){
            let percentage = (10-this.capacity)*10;

                let arr = [];

                // let test = Object.keys(this.clients);
                // console.log(test);
            for (const key in this.clients) {
                let obj = {};
                const element = this.clients[key];
                obj[element.ownerName] = {petName: element.petName, kind: element.kind, procedures:element.procedures};
                console.log(obj);

                arr.push(obj);
                for (let i = 0; i < arr.length; i++) {
                  console.log(arr[i]);

                //   if(arr[i][element.ownerName] === element.ownerName){
                //       console.log('da');
                //   }
                }
               //arr.push([`${element.ownerName} with:`,
               // `---${element.petName} - a ${element.kind} that needs: ${element.procedures.join(', ')}`
              // ].join('\n'));
              console.log(arr);
         }
            let result = [
                `${this.clinicName} is ${percentage}% busy today!`,
                `Total profit: ${this.totalProfit.toFixed(2)}$`
            ];

            return result.concat(arr).join('\n');
           // console.log(this.clients);
        }
    }