package policy.price;

import java.math.BigDecimal;
import java.util.Date;

import foundation.dao.preload.Bucket;
import foundation.data.entity.Entity;
import foundation.util.Util;
import policy.price.outline.DomainOnsiteResult;
import policy.price.outline.DomainPriceResult;
import policy.price.outline.OnsiteOutline;
import policy.price.outline.OnsiteUpdateList;
import policy.price.outline.OnsiteUpdateRecord;
import policy.price.outline.PriceUpdateList;
import policy.price.outline.PriceUpdateRecord;
import policy.price.outline.PricesOutline;

public class PolicyBucket {

	private static PolicyBucket instance;
	public static Date Now;
	public static Date PriceTime;
	public static Date OnsiteTime;
	private boolean starting;
	private Bucket<ProductLinePolicy> productLineBucket;
	private Bucket<ProductPolicy> productBucket;
	private Bucket<SKUPolicy> skuBucket;
	private PriceUpdateList priceUpdateList;
	private OnsiteUpdateList onsiteUpdateList;
	
	static {
		instance = new PolicyBucket();
		Now = new Date();
		PriceTime = new Date();
		OnsiteTime = new Date();
	}
	
	private PolicyBucket() {
		productLineBucket = new Bucket<ProductLinePolicy>();
		productBucket = new Bucket<ProductPolicy>();
		skuBucket = new Bucket<SKUPolicy>();
		priceUpdateList = new PriceUpdateList();
		starting = false;
	}
	
	public static PolicyBucket getInstance() {
		return instance;
	}

	public void loadOnePolicy(Entity entity) {
		//1. 产品线/BU
		String productLineId = entity.getString("bu_id");
		ProductLinePolicy productLine = productLineBucket.get(productLineId);
		
		if (productLine == null) {
			productLine = new ProductLinePolicy();
			productLine.load(entity);
			
			productLineBucket.loadOne(productLineId, productLine);
		}
		
		//2. 产品
		String productId = entity.getString("product_id");
		ProductPolicy product = productBucket.get(productId);
		
		if (product == null) {
			product = new ProductPolicy(productLine);
			product.load(entity);
			
			productBucket.loadOne(productId, product);
		}
		
		//3. SKU
		SKUPolicy sku = new SKUPolicy(product);
		sku.load(entity);
			
		skuBucket.loadOne(sku.getId(), sku);
	}

	public PriceLine loadOneStandardPriceLine(Entity entity) {
		PriceLine priceLine = null;
		String productLineId = entity.getString("bu_id");
		String productId = entity.getString("product_id");
		String skuId = entity.getString("sku_id");
		
		//1.
		if (!Util.isEmpty(skuId)) {
			SKUPolicy sku = skuBucket.get(skuId);
			
			if (sku == null) {
				return null;
			}
			
			priceLine = sku.loadOneStandardPriceLine(entity);
		}
		else if (!Util.isEmpty(productId)) {
			ProductPolicy product = productBucket.get(productId);
			
			if (product == null) {
				return null;
			}
			
			priceLine = product.loadOneStandardPriceLine(entity);
		}
		else if (!Util.isEmpty(productLineId)) {
			ProductLinePolicy productLine = productLineBucket.get(productLineId);
			
			if (productLine == null) {
				return null;
			}
			
			priceLine = productLine.loadOneStandardPriceLine(entity);
		}
		
		//2.
		if (!starting && priceLine != null) {
			PriceUpdateRecord record = priceUpdateList.loadOne(priceLine);
			record.setBUId(productLineId);
			record.setProductId(productId);
			record.setSkuId(skuId);
		}
		
		return priceLine;
	}
	
	public PriceLine loadOnePriceListLine(Entity entity) {
		PriceLine priceLine = null;
		
		String productLineId = entity.getString("bu_id");
		String productId = entity.getString("product_id");
		String skuId = entity.getString("sku_id");
		String stateCode = entity.getString("state_code");
		
		//1. SKU 价格
		if (!Util.isEmpty(skuId)) {
			SKUPolicy sku = skuBucket.get(skuId);
			
			if (sku == null) {
				return null;
			}
			
			if (!"open".equalsIgnoreCase(stateCode)) {
				sku.removeOnePriceListLine(entity);
			}else {
				priceLine = sku.loadOnePriceListLine(entity);
			}
			
			if (!starting && priceLine != null) {
				PriceUpdateRecord record = priceUpdateList.loadOne(priceLine);
				record.setBUId(productLineId);
				record.setProductId(productId);
				record.setSkuId(skuId);
			}
		}
		//2. 产品价格
		else if (!Util.isEmpty(productId)) {
			ProductPolicy product = productBucket.get(productId);
			
			if (product == null) {
				return null;
			}
			
			if (!"open".equalsIgnoreCase(stateCode)) {
				product.removeOnePriceListLine(entity);
			}else {
				priceLine = product.loadOnePriceListLine(entity);
			}
			
			
			if (!starting && priceLine != null) {
				PriceUpdateRecord record = priceUpdateList.loadOne(priceLine);
				record.setBUId(productLineId);
				record.setProductId(productId);
			}
		}
		//3. 产品线价格
		else if (!Util.isEmpty(productLineId)) {
			ProductLinePolicy productLine = productLineBucket.get(productLineId);
			
			if (productLine == null) {
				return null;
			}
			
			if (!"open".equalsIgnoreCase(stateCode)) {
				productLine.removeOnePriceListLine(entity);
			}else {
				priceLine = productLine.loadPrice(entity);
			}
			
			
			if (!starting && priceLine != null) {
				PriceUpdateRecord record = priceUpdateList.loadOne(priceLine);
				record.setBUId(productLineId);
			}
		}
		
		return priceLine;
	}

	public BigDecimal getOnePrice(String customerId, String skuId) {
		SKUPolicy sku = skuBucket.get(skuId);
		
		if (sku == null) {
			return BigDecimal.ZERO;
		}
		
		return sku.getOnePrice(customerId, skuId);
	}
	
	public void getPriceList(String customerId, String skuId, PriceResult result) {
		SKUPolicy sku = skuBucket.get(skuId);
		
		if (sku == null) {
			return;
		}
		
		sku.getPriceList(customerId, result);
	}

	public void getPriceList(String customerId, PricesResult pricesResult) {
		for (String skuId: pricesResult) {
			PriceResult priceResult = pricesResult.append(skuId);
			getPriceList(customerId, skuId, priceResult);
		}
	}
	
	public void loadOneQtyOnsiteDiscount(Entity entity) {
		String productLineId = entity.getString("bu_id");
		String productId = entity.getString("product_id");
		String skuId = entity.getString("sku_id");
		
		if (Util.isEmpty(productLineId)) {
			return;
		}
		
		ProductLinePolicy productLine = productLineBucket.get(productLineId);
		
		if (productLine == null) {
			return;
		}
		
		OnsiteLine onsiteLine = productLine.loadOneQtyOnsiteDiscount(entity);
		
		if( onsiteUpdateList == null) {
			onsiteUpdateList = new OnsiteUpdateList();
		}
		//2.
		if (!starting && onsiteLine != null  ) {
			OnsiteUpdateRecord record = onsiteUpdateList.loadOne(onsiteLine);
			record.setBUId(productLineId);
			record.setProductId(productId);
			record.setSkuId(skuId);
		}
	}

	public void loadOnePriceOnsiteDiscount(Entity entity) {
		String productLineId = entity.getString("bu_id");
		String productId = entity.getString("product_id");
		String skuId = entity.getString("sku_id");
		
		if (Util.isEmpty(productLineId)) {
			return;
		}
		
		ProductLinePolicy productLine = productLineBucket.get(productLineId);
		
		if (productLine == null) {
			return;
		}
		
		OnsiteLine onsiteLine = productLine.loadOnePriceOnsiteDiscount(entity);
		
		//2.
		if (!starting && onsiteLine != null) {
			OnsiteUpdateRecord record = onsiteUpdateList.loadOne(onsiteLine);
			record.setBUId(productLineId);
			record.setProductId(productId);
			record.setSkuId(skuId);
		}
	}

	public void getOnsiteDiscounts(String customerId, String productLineId, OnsitesResult result) {
		ProductLinePolicy productLine = productLineBucket.get(productLineId);
		
		if (productLine == null) {
			return;
		}
		
		productLine.getOnsiteDiscounts(customerId, result);
	}

	public void getPriceOutline(PricesOutline pricesOutline) {
		pricesOutline.setCnt_forProductLine(productLineBucket.size()); 
		pricesOutline.setCnt_forProduct(productBucket.size());
		pricesOutline.setCnt_forSKU(skuBucket.size());
		
		pricesOutline.setUpdateList(priceUpdateList);
	}
	
	public void getOnsiteOutline(OnsiteOutline onsiteOutline) {
		//1. 
		onsiteOutline.setCnt_forProductLine(productLineBucket.size()); 
		onsiteOutline.setCnt_forProduct(productBucket.size());
		onsiteOutline.setCnt_forSKU(skuBucket.size());
		
		//2. 
		onsiteOutline.setUpdateList(onsiteUpdateList);
	}

	public void setStarting(boolean value) {
		starting = value;
	}

	public ProductLinePolicy getProductLinePolicy(String productLineId) {
		return productLineBucket.get(productLineId);
	}
	
	public ProductPolicy getProductPolicy(String productId) {
		return productBucket.get(productId);
	}

	public DomainPriceResult getProductLinePriceList(String buId) {
		DomainPriceResult result = new DomainPriceResult();
		ProductLinePolicy policy = productLineBucket.get(buId);
		
		if (policy == null) {
			return result;
		}
		
		policy.getPriceList(result);
		return result;
	}
	
	public DomainPriceResult getProductPriceList(String productId) {
		DomainPriceResult result = new DomainPriceResult();
		ProductPolicy policy = productBucket.get(productId);
		
		if (policy == null) {
			return result;
		}
		
		policy.getPriceList(result);
		return result;
	}

	public DomainPriceResult getSKUPriceList(String skuId) {
		DomainPriceResult result = new DomainPriceResult();
		SKUPolicy policy = skuBucket.get(skuId);
		
		if (policy == null) {
			return result;
		}
		
		policy.getPriceList(result);
		return result;
	}

	public DomainOnsiteResult getProductLineOnsiteList(String buId) {
		DomainOnsiteResult result = new DomainOnsiteResult();
		ProductLinePolicy policy = productLineBucket.get(buId);
		
		if (policy == null) {
			return result;
		}
		
		policy.getOnsiteList(result);
		return result;
	}
	
	public DomainOnsiteResult getProductOnsiteList(String productId) {
		DomainOnsiteResult result = new DomainOnsiteResult();
		ProductPolicy policy = productBucket.get(productId);
		
		if (policy == null) {
			return result;
		}
		
		policy.getOnsiteList(result);
		return result;
	}
	
	public DomainOnsiteResult getSKUOnsiteList(String skuId) {
		DomainOnsiteResult result = new DomainOnsiteResult();
		SKUPolicy policy = skuBucket.get(skuId);
		
		if (policy == null) {
			return result;
		}
		
		policy.getOnsiteList(result);
		return result;
	}

}