const crypto=require("crypto"),db=require("../../models"),{logActivity}=require("../../services/activity.service");
exports.list=async(req,res,next)=>{try{res.json({success:true,data:await db.VariantBusinessPrice.findAll({include:[{model:db.BusinessPriceTier,as:"tiers"}],order:[["createdAt","DESC"]]})});}catch(e){next(e);}};
exports.create=async(req,res,next)=>{try{let row;await db.sequelize.transaction(async t=>{const b=req.body;for(let i=0;i<b.tiers.length;i++){const a=b.tiers[i];if(a.maxQuantity!==null&&a.maxQuantity!==undefined&&a.maxQuantity<a.minQuantity)throw Object.assign(new Error("Invalid volume range"),{status:400,code:"INVALID_VOLUME_RANGE"});for(let j=i+1;j<b.tiers.length;j++){const c=b.tiers[j],amax=a.maxQuantity??Infinity,cmax=c.maxQuantity??Infinity;if(a.minQuantity<=cmax&&c.minQuantity<=amax)throw Object.assign(new Error("Volume tiers overlap"),{status:400,code:"OVERLAPPING_VOLUME_TIERS"});}}row=await db.VariantBusinessPrice.create({id:crypto.randomUUID(),variant_id:b.variantId,business_tier_id:b.businessTierId,business_customer_id:b.businessCustomerId,currency:b.currency,price:b.price,minimum_quantity:b.minimumQuantity,status:b.status,starts_at:b.startsAt,ends_at:b.endsAt},{transaction:t});await db.BusinessPriceTier.bulkCreate(b.tiers.map(x=>({id:crypto.randomUUID(),business_price_id:row.id,min_quantity:x.minQuantity,max_quantity:x.maxQuantity,unit_price:x.unitPrice})),{transaction:t});});await logActivity({user:req.user,type:"BUSINESS_PRICE_CREATED",module:"Pricing",targetId:row.id});res.status(201).json({success:true,data:row});}catch(e){next(e);}};