export class ArenaGroom {

    constructor(arenaCnx, arenaStorage, debug = false) {
        this.cnx = arenaCnx
        this.arenaStorage = arenaStorage
        this.debug = debug
    }

    agentHashKey(agentId) {
        return(this.arenaStorage.agentHashKey.replace(/\[UID\]/g, agentId))
    }

    async clearArena() {
        const ids = await this.cnx.redisSmembers(this.arenaStorage.agentsIndexKey)
        for(const id of ids) {
            await this.cnx.redisDel(this.agentHashKey(id))
        }
        await this.cnx.redisDel(this.arenaStorage.agentsIndexKey)
        if(this.debug) console.log(`[Maestro] Cleared arena store (${ids.length} agent(s))`)
    }

    async seedAgents(agents) {
        for(const agent of agents) {
            const key = this.agentHashKey(agent.id)
            await this.cnx.redisHset(key, 'position', agent.position)
            await this.cnx.redisHset(key, 'vector', agent.vector)
            await this.cnx.redisSadd(this.arenaStorage.agentsIndexKey, agent.id)
        }
        if(this.debug) console.log(`[Maestro] Groomed ${agents.length} agent(s) into arena store`)
    }

}