const { DistributionIndexProcessor } = require('helios-core/dl')
const { Type } = require('helios-distribution-types')

if(!DistributionIndexProcessor.prototype.__mrsVanillaPatchApplied){
    const originalLoadModLoaderVersionJson = DistributionIndexProcessor.prototype.loadModLoaderVersionJson

    DistributionIndexProcessor.prototype.loadModLoaderVersionJson = async function(...args){
        const server = this.distribution?.getServerById?.(this.serverId)
        const hasModLoader = server?.modules?.some(({ rawModule }) => {
            return rawModule?.type === Type.ForgeHosted
                || rawModule?.type === Type.Forge
                || rawModule?.type === Type.Fabric
        }) === true

        if(!hasModLoader){
            return null
        }

        return originalLoadModLoaderVersionJson.apply(this, args)
    }

    DistributionIndexProcessor.prototype.__mrsVanillaPatchApplied = true
}