vetClinic - Papazov

class VeterinaryClinic {
    clients = [];

    constructor (clinicName, capacity) {
        this.clinicName = clinicName;
        this.capacity = capacity;
        this.currentWorkload = 0;
        this.totalProfit = 0;
    }

    getPet(owner, petName) {
        if (!owner) {
            return;
        }

        return owner.pets.find(x => x.petName == petName);
    }

    getClient(ownerName) {
        let client = this.clients.find(x => x.ownerName == ownerName);

        return client;
    }

    newCustomer(ownerName, petName, kind, procedures) {
        if (this.currentWorkload >= this.capacity) {
            throw new Error('Sorry, we are not able to accept more patients!');
        }

        // TODO: Check if currently in clinic with procedures
        let currentOwner = this.getClient(ownerName);
        let currentPet = this.getPet(currentOwner, petName);
        if (currentOwner && currentPet) {
            if (currentPet.procedures.length > 0) {
                throw new Error(`This pet is already registered under ${currentOwner.ownerName} name! ${currentPet.petName} is on our lists, waiting for ${currentPet.procedures.join(', ')}.`);
            } else {
                currentPet.procedures = procedures
            }
        } else if (!currentOwner) {
            currentOwner = {
                ownerName,
                pets: [],
            };

            this.clients.push(currentOwner);
        }

        // Add pet to owner
        currentOwner.pets.push({
            petName,
            kind,
            procedures,
        });

        // Modify workload
        this.currentWorkload++;

        // return welcome message
        return `Welcome ${petName}!`;
    }

    onLeaving (ownerName, petName) {
        let currentOwner = this.getClient(ownerName);

        if (!currentOwner) {
            throw new Error('Sorry, there is no such client!');
        }

        let currentPet = this.getPet(currentOwner, petName);

        if (!currentPet || currentPet.procedures.length == 0) {
            throw new Error(`Sorry, there are no procedures for ${petName}!`);
        }

        // Add new price 500.00
        this.totalProfit += currentPet.procedures.length * 500;

        // update workload
        this.currentWorkload--;

        // clear procedures of the current pet
        currentPet.procedures = [];

        // return
        return `Goodbye ${currentPet.petName}. Stay safe!`;
    }

    toString() {
        let busyPercentage = Math.floor(this.currentWorkload / this.capacity * 100);

        let result = `${this.clinicName} is ${busyPercentage}% busy today!`;
        result += '\n';
        result += `Total profit: ${this.totalProfit.toFixed(2)}$`;

        this.clients.sort((a, b) => a.ownerName.localeCompare(b.ownerName));

        for (const client of this.clients) {
            client.pets.sort((a, b) => a.petName.localeCompare(b.petName));

            result += '\n';
            result += `${client.ownerName} with:`;

            for (const pet of client.pets) {
                result += '\n';
                result += `---${pet.petName} - a ${pet.kind.toLowerCase()} that needs: ${pet.procedures.join(', ')}`
            }
        }

        return result.trim();
    }
}

// let VeterinaryClinic = result;
// let clinic = new VeterinaryClinic('SoftCare', 10);
// console.log(clinic.newCustomer('Jim Jones', 'Tom', 'Cat', ['A154B', '2C32B', '12CDB']));
// console.log(clinic.onLeaving('Jim Jones', 'Tom'));
// console.log(clinic.newCustomer('Jim Jones', 'Tom', 'Cat', ['A154B', '2C32B', '12CDB']));
// console.log(clinic.newCustomer('Anna Morgan', 'Max', 'Dog', ['SK456', 'DFG45', 'KS456']));
// console.log(clinic.newCustomer('Jim Jones', 'Tiny', 'Cat', ['A154B']));
// console.log(clinic.onLeaving('Jim Jones', 'Tiny'));
// console.log(clinic.toString());
// clinic.newCustomer('Jim Jones', 'Sara', 'Dog', ['A154B']);
// console.log(clinic.toString());

let clinic = new VeterinaryClinic('SoftCare', 10);
console.log(clinic.newCustomer('Jim Jones', 'Tom', 'Cat', ['A154B', '2C32B', '12CDB']));
// console.log(clinic.newCustomer('Anna Morgan', 'Max', 'Dog', ['SK456', 'DFG45', 'KS456']));
// console.log(clinic.newCustomer('Jim Jones', 'Tiny', 'Cat', ['A154B']));
console.log(clinic.onLeaving('Jim Jones', 'Tiny'));
// console.log(clinic.toString());
// clinic.newCustomer('Jim Jones', 'Sara', 'Dog', ['A154B']);
// console.log(clinic.toString());


// Welcome Tom!
// Welcome Max!
// Welcome Tiny!
// Goodbye Tiny. Stay safe!
// SoftCare is 20% busy today!
// Total profit: 500.00$
// Anna Morgan with:
// ---Max - a dog that needs: SK456, DFG45, KS456
// Jim Jones with:
// ---Tiny - a cat that needs:
// ---Tom - a cat that needs: A154B, 2C32B, 12CDB
// SoftCare is 30% busy today!
// Total profit: 500.00$
// Anna Morgan with:
// ---Max - a dog that needs: SK456, DFG45, KS456
// Jim Jones with:
// ---Sara - a dog that needs: A154B
// ---Tiny - a cat that needs:
// ---Tom - a cat that needs: A154B, 2C32B, 12CDB