SummerCamp 60/100

class SummerCamp {
    constructor(organizer, location) {
        this.organizer = organizer
        this.location = location
        this.priceForTheCamp = {"child": 150, "student": 300, "collegian": 500}
        this.listOfParticipants = []
    }

    registerParticipant(name, condition, money) {
        const keyes = Object.keys(this.priceForTheCamp)
        if (!keyes.includes(condition)) {
            throw new Error("Unsuccessful registration at the camp.")
        }

        if (this.listOfParticipants.length > 0) {
            for (let i = 0; i < this.listOfParticipants.length; i++) {
                const partName = this.listOfParticipants[i]['name']
                if (partName == name) {
                    return(`The ${name} is already registered at the camp.`)
                }
            }
        }

        if (money < this.priceForTheCamp[condition]) {
            return(`The money is not enough to pay the stay at the camp.`)
        }

        this.listOfParticipants.push({"name": name, "condition": condition, "power": 100, "wins": 0})
        return(`The ${name} was successfully registered.`)
    }

    unregisterParticipant(name) {
        for (let i = 0; i < this.listOfParticipants.length; i++) {
            const partName = this.listOfParticipants[i]['name']
            if (partName == name) {
                this.listOfParticipants.splice(i, 1)
            }
        }

        throw new Error(`The ${name} is not registered in the camp.`);
    }

    timeToPlay(typeOfGame, participant1, participant2) {
        if (typeOfGame == "WaterBalloonFights") {
            let foundpart1 = false
            let foundpart2 = false
            let part1 = null
            let part2 = null
            for (let i = 0; i < this.listOfParticipants.length; i++) {
                const partName = this.listOfParticipants[i]['name']
                if (partName == participant1) {
                    foundpart1 = true
                    part1 = this.listOfParticipants[i]
                }

                if (partName == participant2) {
                    foundpart2 = true
                    part2 = this.listOfParticipants[i]
                }
            }

            if (foundpart1 && foundpart2) {
                if (part1.condition == part2.condition) {
                    let selectedWinner = null
                    if (part1.power > part2.power) {
                        selectedWinner = part1
                    } else if (part2.power > part1.power) {
                        selectedWinner = part2
                    }

                    if (selectedWinner == null) {
                        return `There is no winner.`;
                    } else {
                        selectedWinner.wins += 1
                        return `The ${selectedWinner.name} is winner in the game ${typeOfGame}.`;
                    }

                } else {
                    throw new Error(`Choose players with equal condition.`)
                }

            } else {
                throw new Error('Invalid entered name/s.')
            }
        } else if (typeOfGame == "Battleship") {
            let foundpart = null
            for (let i = 0; i < this.listOfParticipants.length; i++) {
                const partName = this.listOfParticipants[i]['name']
                if (partName == participant1) {
                    foundpart = this.listOfParticipants[i]
                }
            }

            if (foundpart) {
                foundpart.power += 20
                return `The ${foundpart.name} successfully completed the game ${typeOfGame}.`
            } else {
                throw new Error('Invalid entered name/s.')
            }
        }
    }

    toString() {
        let returnstring = `${this.organizer} will take ${this.listOfParticipants.length} participants on camping to ${this.location}\n`

        function compare(a, b) {
            let comparison = 0;
            if (a.wins > b.wins) {
              comparison = 1;
            } else if (a.wins < b.wins) {
              comparison = -1;
            }
            return comparison;
          }


        let sortedFags = this.listOfParticipants.sort(compare)

        for (let i = 0; i < sortedFags; i++) {
            const participant = sortedFags[i]
            returnstring += `${participant.name} - ${participant.condition} - ${participant.power} - ${participant.wins}\n`
        }
        return returnstring
    }
}