import type {Bot,RuntimeConfig} from './types';

export const classicMode=(config:RuntimeConfig)=>config.GAME_BACKEND==='cmangos-classic';

/** Typed native actions only; the Classic bridge never evaluates Lua. */
export function classicCommand(kind:'party'|'leave'|'recruit'|'intent'|'say',bot:Bot,argument='',peer?:Bot){
 const identity=bot.autonomy;
 if(!identity?.managed||!Number.isInteger(identity.characterGuid)||!identity.characterGuid||identity.characterGuid<1||!Number.isInteger(identity.accountId)||!identity.accountId||identity.accountId<1)throw new Error('Verified Classic character identity required');
 if(['party','recruit','say'].includes(kind)&&(!peer?.autonomy?.managed||!peer.autonomy.characterGuid||!peer.autonomy.accountId))throw new Error('Verified Classic peer required');
 return JSON.stringify({version:1,backend:'cmangos-classic',kind,guid:identity.characterGuid,accountId:identity.accountId,name:bot.name,argument,peerGuid:peer?.autonomy?.characterGuid??0,peerAccountId:peer?.autonomy?.accountId??0,peerName:peer?.name??'',expiresAt:Math.floor(Date.now()/1000)+90});
}

export function classicPlayerReply(bot:Bot,request:{speakerGuid?:number;speakerAccountId?:number;speakerName:string;channel:'say'|'whisper'},reply:string){
 if(!Number.isInteger(request.speakerGuid)||!request.speakerGuid||request.speakerGuid<1||!Number.isInteger(request.speakerAccountId)||!request.speakerAccountId||request.speakerAccountId<1||!/^[A-Za-z]{2,12}$/.test(request.speakerName))throw new Error('Verified Classic human identity required');
 const command=JSON.parse(classicCommand('intent',bot,'socialize'));
 return JSON.stringify({...command,kind:request.channel==='whisper'?'reply-whisper':'reply-say',argument:reply,peerGuid:request.speakerGuid,peerAccountId:request.speakerAccountId,peerName:request.speakerName});
}