/*
 * Functions for BedWars exp and level conversions.
 */
const EASY_LEVELS = 4
const EASY_LEVELS_XP = 7000
const XP_PER_PRESTIGE = 96 * 5000 + EASY_LEVELS_XP
const LEVELS_PER_PRESTIGE = 100
const HIGHEST_PRESTIGE = 10

export function getBWLevel(level: number) {
    if (level > HIGHEST_PRESTIGE * LEVELS_PER_PRESTIGE) {
        return level - HIGHEST_PRESTIGE * LEVELS_PER_PRESTIGE
    }

    return level % LEVELS_PER_PRESTIGE
}

export function getBWExpForLevel(level: number) {
    if (level === 0) return 0

    const respectedLevel = getBWLevel(level)
    if (respectedLevel > EASY_LEVELS) {
        return 5000
    }

    switch (respectedLevel) {
        case 1:
            return 500
        case 2:
            return 1000
        case 3:
            return 2000
        case 4:
            return 3500
        default:
            return 5000
    }
}

export function getBWLevelForExp(exp: number) {
    const prestiges = Math.floor(exp / XP_PER_PRESTIGE)
    let level = prestiges * LEVELS_PER_PRESTIGE
    let expWithoutPrestiges = exp - (prestiges * XP_PER_PRESTIGE)
    let expForEasyLevel

    for (let i = 1; i <= EASY_LEVELS; i += 1) {
        expForEasyLevel = getBWExpForLevel(i)
        if (expWithoutPrestiges < expForEasyLevel) {
            break
        }
        level += 1
        expWithoutPrestiges -= expForEasyLevel
    }
    return level + Math.floor(expWithoutPrestiges / 5000)
}