/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.ofbiz.base.util.UtilDateTime
import org.apache.ofbiz.base.util.UtilMisc
import org.apache.ofbiz.entity.GenericValue
import org.apache.ofbiz.entity.condition.EntityCondition
import org.apache.ofbiz.entity.condition.EntityOperator
import org.apache.ofbiz.accounting.util.UtilAccounting
import org.apache.ofbiz.party.party.PartyWorker

if (!fromDate) {
    return
}
if (!thruDate) {
    thruDate = UtilDateTime.nowTimestamp()
}
if (!glFiscalTypeId) {
    return
}
organizationPartyId =null
if(context.organizationPartyId) {
    organizationPartyId = context.organizationPartyId
} else {
    organizationPartyId = parameters.get('ApplicationDecorator|organizationPartyId')
}

// Setup the divisions for which the report is executed
List partyIds = PartyWorker.getAssociatedPartyIdsByRelationshipType(delegator, organizationPartyId, 'GROUP_ROLLUP')
partyIds.add(organizationPartyId)

// Get the group of account classes that will be used to position accounts in the proper section of the financial statement
GenericValue revenueGlAccountClass = from("GlAccountClass").where("glAccountClassId", "REVENUE").cache(true).queryOne()
List revenueAccountClassIds = UtilAccounting.getDescendantGlAccountClassIds(revenueGlAccountClass)
GenericValue contraRevenueGlAccountClass = from("GlAccountClass").where("glAccountClassId", "CONTRA_REVENUE").cache(true).queryOne()
List contraRevenueAccountClassIds = UtilAccounting.getDescendantGlAccountClassIds(contraRevenueGlAccountClass)
GenericValue incomeGlAccountClass = from("GlAccountClass").where("glAccountClassId", "INCOME").cache(true).queryOne()
List incomeAccountClassIds = UtilAccounting.getDescendantGlAccountClassIds(incomeGlAccountClass)
GenericValue expenseGlAccountClass = from("GlAccountClass").where("glAccountClassId", "EXPENSE").cache(true).queryOne()
List expenseAccountClassIds = UtilAccounting.getDescendantGlAccountClassIds(expenseGlAccountClass)
GenericValue cogsExpenseGlAccountClass = from("GlAccountClass").where("glAccountClassId", "COGS_EXPENSE").cache(true).queryOne()
List cogsExpenseAccountClassIds = UtilAccounting.getDescendantGlAccountClassIds(cogsExpenseGlAccountClass)
GenericValue sgaExpenseGlAccountClass = from("GlAccountClass").where("glAccountClassId", "SGA_EXPENSE").cache(true).queryOne()
List sgaExpenseAccountClassIds = UtilAccounting.getDescendantGlAccountClassIds(sgaExpenseGlAccountClass)
GenericValue depreciationGlAccountClass = from("GlAccountClass").where("glAccountClassId", "DEPRECIATION").cache(true).queryOne()
List depreciationAccountClassIds = UtilAccounting.getDescendantGlAccountClassIds(depreciationGlAccountClass)

List mainAndExprs = []
mainAndExprs.add(EntityCondition.makeCondition("organizationPartyId", EntityOperator.IN, partyIds))
mainAndExprs.add(EntityCondition.makeCondition("isPosted", EntityOperator.EQUALS, "Y"))
mainAndExprs.add(EntityCondition.makeCondition("glFiscalTypeId", EntityOperator.EQUALS, glFiscalTypeId))
mainAndExprs.add(EntityCondition.makeCondition("acctgTransTypeId", EntityOperator.NOT_EQUAL, "PERIOD_CLOSING"))
mainAndExprs.add(EntityCondition.makeCondition("transactionDate", EntityOperator.GREATER_THAN_EQUAL_TO, fromDate))
mainAndExprs.add(EntityCondition.makeCondition("transactionDate", EntityOperator.LESS_THAN, thruDate))

List balanceTotalList = []

// REVENUE
// account balances
accountBalanceList = []
transactionTotals = []
balanceTotal = BigDecimal.ZERO
List revenueAndExprs = mainAndExprs as LinkedList
revenueAndExprs.add(EntityCondition.makeCondition("glAccountClassId", EntityOperator.IN, revenueAccountClassIds))
transactionTotals = select("glAccountId", "accountName", "accountCode", "debitCreditFlag", "amount").from("AcctgTransEntrySums").where(revenueAndExprs).orderBy("glAccountId").queryList()
if (transactionTotals) {
    Map transactionTotalsMap = [:]
    balanceTotalCredit = BigDecimal.ZERO
    balanceTotalDebit = BigDecimal.ZERO
    transactionTotals.each { transactionTotal ->
        Map accountMap = (Map)transactionTotalsMap.get(transactionTotal.glAccountId)
        if (!accountMap) {
            accountMap = UtilMisc.makeMapWritable(transactionTotal)
            accountMap.remove("debitCreditFlag")
            accountMap.remove("amount")
            accountMap.put("D", BigDecimal.ZERO)
            accountMap.put("C", BigDecimal.ZERO)
            accountMap.put("balance", BigDecimal.ZERO)
        }
        UtilMisc.addToBigDecimalInMap(accountMap, transactionTotal.debitCreditFlag, transactionTotal.amount)
        if ("D".equals(transactionTotal.debitCreditFlag)) {
            balanceTotalDebit = balanceTotalDebit.add(transactionTotal.amount)
        } else {
            balanceTotalCredit = balanceTotalCredit.add(transactionTotal.amount)
        }
        BigDecimal debitAmount = (BigDecimal)accountMap.get("D")
        BigDecimal creditAmount = (BigDecimal)accountMap.get("C")
        // revenues are accounts of class CREDIT: the balance is given by credits minus debits
        BigDecimal balance = creditAmount.subtract(debitAmount)
        accountMap.put("balance", balance)
        transactionTotalsMap.put(transactionTotal.glAccountId, accountMap)
    }
    accountBalanceList = UtilMisc.sortMaps(transactionTotalsMap.values().asList(), UtilMisc.toList("accountCode"))
    // revenues are accounts of class CREDIT: the balance is given by credits minus debits
    balanceTotal = balanceTotalCredit.subtract(balanceTotalDebit)
}
context.revenueAccountBalanceList = accountBalanceList
context.revenueAccountBalanceList.add(UtilMisc.toMap("accountName", "TOTAL REVENUES", "balance", balanceTotal))
context.revenueBalanceTotal = balanceTotal

// CONTRA REVENUE
// account balances
accountBalanceList = []
transactionTotals = []
balanceTotal = BigDecimal.ZERO
List contraRevenueAndExprs = mainAndExprs as LinkedList
contraRevenueAndExprs.add(EntityCondition.makeCondition("glAccountClassId", EntityOperator.IN, contraRevenueAccountClassIds))
transactionTotals = select("glAccountId", "accountName", "accountCode", "debitCreditFlag", "amount").from("AcctgTransEntrySums").where(contraRevenueAndExprs).orderBy("glAccountId").queryList()
if (transactionTotals) {
    Map transactionTotalsMap = [:]
    balanceTotalCredit = BigDecimal.ZERO
    balanceTotalDebit = BigDecimal.ZERO
    transactionTotals.each { transactionTotal ->
        Map accountMap = (Map)transactionTotalsMap.get(transactionTotal.glAccountId)
        if (!accountMap) {
            accountMap = UtilMisc.makeMapWritable(transactionTotal)
            accountMap.remove("debitCreditFlag")
            accountMap.remove("amount")
            accountMap.put("D", BigDecimal.ZERO)
            accountMap.put("C", BigDecimal.ZERO)
            accountMap.put("balance", BigDecimal.ZERO)
        }
        UtilMisc.addToBigDecimalInMap(accountMap, transactionTotal.debitCreditFlag, transactionTotal.amount)
        if ("D".equals(transactionTotal.debitCreditFlag)) {
            balanceTotalDebit = balanceTotalDebit.add(transactionTotal.amount)
        } else {
            balanceTotalCredit = balanceTotalCredit.add(transactionTotal.amount)
        }
        BigDecimal debitAmount = (BigDecimal)accountMap.get("D")
        BigDecimal creditAmount = (BigDecimal)accountMap.get("C")
        // contra revenues are accounts of class DEBIT: the balance is given by debits minus credits
        BigDecimal balance = debitAmount.subtract(creditAmount)
        accountMap.put("balance", balance)
        transactionTotalsMap.put(transactionTotal.glAccountId, accountMap)
    }
    accountBalanceList = UtilMisc.sortMaps(transactionTotalsMap.values().asList(), UtilMisc.toList("accountCode"))
    // contra revenues are accounts of class DEBIT: the balance is given by debits minus credits
    balanceTotal = balanceTotalDebit.subtract(balanceTotalCredit)
}
context.contraRevenueBalanceTotal = balanceTotal
balanceTotalList.add(UtilMisc.toMap("totalName", "TOTAL CONTRA REVENUE", "balance", balanceTotal))

// EXPENSE
// account balances
accountBalanceList = []
transactionTotals = []
balanceTotal = BigDecimal.ZERO
List expenseAndExprs = mainAndExprs as LinkedList
expenseAndExprs.add(EntityCondition.makeCondition("glAccountClassId", EntityOperator.IN, expenseAccountClassIds))
transactionTotals = select("glAccountId", "accountName", "accountCode", "debitCreditFlag", "amount").from("AcctgTransEntrySums").where(expenseAndExprs).queryList()
if (transactionTotals) {
    Map transactionTotalsMap = [:]
    balanceTotalCredit = BigDecimal.ZERO
    balanceTotalDebit = BigDecimal.ZERO
    transactionTotals.each { transactionTotal ->
        Map accountMap = (Map)transactionTotalsMap.get(transactionTotal.glAccountId)
        if (!accountMap) {
            accountMap = UtilMisc.makeMapWritable(transactionTotal)
            accountMap.remove("debitCreditFlag")
            accountMap.remove("amount")
            accountMap.put("D", BigDecimal.ZERO)
            accountMap.put("C", BigDecimal.ZERO)
            accountMap.put("balance", BigDecimal.ZERO)
        }
        UtilMisc.addToBigDecimalInMap(accountMap, transactionTotal.debitCreditFlag, transactionTotal.amount)
        if ("D".equals(transactionTotal.debitCreditFlag)) {
            balanceTotalDebit = balanceTotalDebit.add(transactionTotal.amount)
        } else {
            balanceTotalCredit = balanceTotalCredit.add(transactionTotal.amount)
        }
        BigDecimal debitAmount = (BigDecimal)accountMap.get("D")
        BigDecimal creditAmount = (BigDecimal)accountMap.get("C")
        // expenses are accounts of class DEBIT: the balance is given by debits minus credits
        BigDecimal balance = debitAmount.subtract(creditAmount)
        accountMap.put("balance", balance)
        transactionTotalsMap.put(transactionTotal.glAccountId, accountMap)
    }
    accountBalanceList = UtilMisc.sortMaps(transactionTotalsMap.values().asList(), UtilMisc.toList("accountCode"))
    // expenses are accounts of class DEBIT: the balance is given by debits minus credits
    balanceTotal = balanceTotalDebit.subtract(balanceTotalCredit)
}
context.expenseAccountBalanceList = accountBalanceList
context.expenseAccountBalanceList.add(UtilMisc.toMap("accountName", "TOTAL EXPENSES", "balance", balanceTotal))
context.expenseBalanceTotal = balanceTotal

// COST OF GOODS SOLD (COGS_EXPENSE)
// account balances
accountBalanceList = []
transactionTotals = []
balanceTotal = BigDecimal.ZERO
List cogsExpenseAndExprs = mainAndExprs as LinkedList
cogsExpenseAndExprs.add(EntityCondition.makeCondition("glAccountClassId", EntityOperator.IN, cogsExpenseAccountClassIds))
transactionTotals = select("glAccountId", "accountName", "accountCode", "debitCreditFlag", "amount").from("AcctgTransEntrySums").where(cogsExpenseAndExprs).orderBy("glAccountId").queryList()
if (transactionTotals) {
    Map transactionTotalsMap = [:]
    balanceTotalCredit = BigDecimal.ZERO
    balanceTotalDebit = BigDecimal.ZERO
    transactionTotals.each { transactionTotal ->
        Map accountMap = (Map)transactionTotalsMap.get(transactionTotal.glAccountId)
        if (!accountMap) {
            accountMap = UtilMisc.makeMapWritable(transactionTotal)
            accountMap.remove("debitCreditFlag")
            accountMap.remove("amount")
            accountMap.put("D", BigDecimal.ZERO)
            accountMap.put("C", BigDecimal.ZERO)
            accountMap.put("balance", BigDecimal.ZERO)
        }
        UtilMisc.addToBigDecimalInMap(accountMap, transactionTotal.debitCreditFlag, transactionTotal.amount)
        if ("D".equals(transactionTotal.debitCreditFlag)) {
            balanceTotalDebit = balanceTotalDebit.add(transactionTotal.amount)
        } else {
            balanceTotalCredit = balanceTotalCredit.add(transactionTotal.amount)
        }
        BigDecimal debitAmount = (BigDecimal)accountMap.get("D")
        BigDecimal creditAmount = (BigDecimal)accountMap.get("C")
        // expenses are accounts of class DEBIT: the balance is given by debits minus credits
        BigDecimal balance = debitAmount.subtract(creditAmount)
        accountMap.put("balance", balance)
        transactionTotalsMap.put(transactionTotal.glAccountId, accountMap)
    }
    accountBalanceList = UtilMisc.sortMaps(transactionTotalsMap.values().asList(), UtilMisc.toList("accountCode"))
    // expenses are accounts of class DEBIT: the balance is given by debits minus credits
    balanceTotal = balanceTotalDebit.subtract(balanceTotalCredit)
}
context.cogsExpense = balanceTotal
balanceTotalList.add(UtilMisc.toMap("totalName", "AccountingCostOfGoodsSold", "balance", balanceTotal))

// OPERATING EXPENSES (SGA_EXPENSE)
// account balances
accountBalanceList = []
transactionTotals = []
balanceTotal = BigDecimal.ZERO
List sgaExpenseAndExprs = mainAndExprs as LinkedList
sgaExpenseAndExprs.add(EntityCondition.makeCondition("glAccountClassId", EntityOperator.IN, sgaExpenseAccountClassIds))
transactionTotals = select("glAccountId", "accountName", "accountCode", "debitCreditFlag", "amount").from("AcctgTransEntrySums").where(sgaExpenseAndExprs).orderBy("glAccountId").queryList()
if (transactionTotals) {
    Map transactionTotalsMap = [:]
    balanceTotalCredit = BigDecimal.ZERO
    balanceTotalDebit = BigDecimal.ZERO
    transactionTotals.each { transactionTotal ->
        Map accountMap = (Map)transactionTotalsMap.get(transactionTotal.glAccountId)
        if (!accountMap) {
            accountMap = UtilMisc.makeMapWritable(transactionTotal)
            accountMap.remove("debitCreditFlag")
            accountMap.remove("amount")
            accountMap.put("D", BigDecimal.ZERO)
            accountMap.put("C", BigDecimal.ZERO)
            accountMap.put("balance", BigDecimal.ZERO)
        }
        UtilMisc.addToBigDecimalInMap(accountMap, transactionTotal.debitCreditFlag, transactionTotal.amount)
        if ("D".equals(transactionTotal.debitCreditFlag)) {
            balanceTotalDebit = balanceTotalDebit.add(transactionTotal.amount)
        } else {
            balanceTotalCredit = balanceTotalCredit.add(transactionTotal.amount)
        }
        BigDecimal debitAmount = (BigDecimal)accountMap.get("D")
        BigDecimal creditAmount = (BigDecimal)accountMap.get("C")
        // expenses are accounts of class DEBIT: the balance is given by debits minus credits
        BigDecimal balance = debitAmount.subtract(creditAmount)
        accountMap.put("balance", balance)
        transactionTotalsMap.put(transactionTotal.glAccountId, accountMap)
    }
    accountBalanceList = UtilMisc.sortMaps(transactionTotalsMap.values().asList(), UtilMisc.toList("accountCode"))
    // expenses are accounts of class DEBIT: the balance is given by debits minus credits
    balanceTotal = balanceTotalDebit.subtract(balanceTotalCredit)
}
sgaExpense = balanceTotal

//DEPRECIATION (DEPRECIATION)
//account balances
accountBalanceList = []
transactionTotals = []
balanceTotal = BigDecimal.ZERO
List depreciationAndExprs = mainAndExprs as LinkedList
depreciationAndExprs.add(EntityCondition.makeCondition("glAccountClassId", EntityOperator.IN, depreciationAccountClassIds))
transactionTotals = select("glAccountId", "accountName", "accountCode", "debitCreditFlag", "amount").from("AcctgTransEntrySums").where(depreciationAndExprs).orderBy("glAccountId").queryList()
if (transactionTotals) {
Map transactionTotalsMap = [:]
balanceTotalCredit = BigDecimal.ZERO
balanceTotalDebit = BigDecimal.ZERO
transactionTotals.each { transactionTotal ->
   Map accountMap = (Map)transactionTotalsMap.get(transactionTotal.glAccountId)
   if (!accountMap) {
       accountMap = UtilMisc.makeMapWritable(transactionTotal)
       accountMap.remove("debitCreditFlag")
       accountMap.remove("amount")
       accountMap.put("D", BigDecimal.ZERO)
       accountMap.put("C", BigDecimal.ZERO)
       accountMap.put("balance", BigDecimal.ZERO)
   }
   UtilMisc.addToBigDecimalInMap(accountMap, transactionTotal.debitCreditFlag, transactionTotal.amount)
   if ("D".equals(transactionTotal.debitCreditFlag)) {
       balanceTotalDebit = balanceTotalDebit.add(transactionTotal.amount)
   } else {
       balanceTotalCredit = balanceTotalCredit.add(transactionTotal.amount)
   }
   BigDecimal debitAmount = (BigDecimal)accountMap.get("D")
   BigDecimal creditAmount = (BigDecimal)accountMap.get("C")
   // expenses are accounts of class DEBIT: the balance is given by debits minus credits
   BigDecimal balance = debitAmount.subtract(creditAmount)
   accountMap.put("balance", balance)
   transactionTotalsMap.put(transactionTotal.glAccountId, accountMap)
}
accountBalanceList = UtilMisc.sortMaps(transactionTotalsMap.values().asList(), UtilMisc.toList("accountCode"))
// expenses are accounts of class DEBIT: the balance is given by debits minus credits
balanceTotal = balanceTotalDebit.subtract(balanceTotalCredit)
}
depreciation = balanceTotal

// INCOME
// account balances
accountBalanceList = []
transactionTotals = []
balanceTotal = BigDecimal.ZERO
List incomeAndExprs = mainAndExprs as LinkedList
incomeAndExprs.add(EntityCondition.makeCondition("glAccountClassId", EntityOperator.IN, incomeAccountClassIds))
transactionTotals = select("glAccountId", "accountName", "accountCode", "debitCreditFlag", "amount").from("AcctgTransEntrySums").where(incomeAndExprs).orderBy("glAccountId").queryList()
if (transactionTotals) {
    Map transactionTotalsMap = [:]
    balanceTotalCredit = BigDecimal.ZERO
    balanceTotalDebit = BigDecimal.ZERO
    transactionTotals.each { transactionTotal ->
        Map accountMap = (Map)transactionTotalsMap.get(transactionTotal.glAccountId)
        if (!accountMap) {
            accountMap = UtilMisc.makeMapWritable(transactionTotal)
            accountMap.remove("debitCreditFlag")
            accountMap.remove("amount")
            accountMap.put("D", BigDecimal.ZERO)
            accountMap.put("C", BigDecimal.ZERO)
            accountMap.put("balance", BigDecimal.ZERO)
        }
        UtilMisc.addToBigDecimalInMap(accountMap, transactionTotal.debitCreditFlag, transactionTotal.amount)
        if ("D".equals(transactionTotal.debitCreditFlag)) {
            balanceTotalDebit = balanceTotalDebit.add(transactionTotal.amount)
        } else {
            balanceTotalCredit = balanceTotalCredit.add(transactionTotal.amount)
        }
        BigDecimal debitAmount = (BigDecimal)accountMap.get("D")
        BigDecimal creditAmount = (BigDecimal)accountMap.get("C")
        // income are accounts of class CREDIT: the balance is given by credits minus debits
        BigDecimal balance = creditAmount.subtract(debitAmount)
        accountMap.put("balance", balance)
        transactionTotalsMap.put(transactionTotal.glAccountId, accountMap)
    }
    accountBalanceList = UtilMisc.sortMaps(transactionTotalsMap.values().asList(), UtilMisc.toList("accountCode"))
    // incomes are accounts of class CREDIT: the balance is given by credits minus debits
    balanceTotal = balanceTotalCredit.subtract(balanceTotalDebit)
}
context.incomeAccountBalanceList = accountBalanceList
context.incomeAccountBalanceList.add(UtilMisc.toMap("accountName", "TOTAL INCOME", "balance", balanceTotal))
context.incomeBalanceTotal = balanceTotal

// NET SALES = REVENUES - CONTRA REVENUES
context.netSales = (context.revenueBalanceTotal).subtract(context.contraRevenueBalanceTotal)
balanceTotalList.add(UtilMisc.toMap("totalName", "AccountingTotalNetSales", "balance", context.netSales))
// GROSS MARGIN = NET SALES - COSTS OF GOODS SOLD
context.grossMargin = (context.netSales).subtract(context.cogsExpense)
balanceTotalList.add(UtilMisc.toMap("totalName", "AccountingGrossMargin", "balance", context.grossMargin))
// OPERATING EXPENSES
context.sgaExpense = sgaExpense
balanceTotalList.add(UtilMisc.toMap("totalName", "AccountingOperatingExpenses", "balance", context.sgaExpense))
// DEPRECIATION
context.depreciation = depreciation
balanceTotalList.add(UtilMisc.toMap("totalName", "AccountingDepreciation", "balance", context.depreciation))
// INCOME FROM OPERATIONS = GROSS MARGIN - OPERATING EXPENSES
context.incomeFromOperations = (context.grossMargin).subtract(context.sgaExpense)
balanceTotalList.add(UtilMisc.toMap("totalName", "AccountingIncomeFromOperations", "balance", context.incomeFromOperations))
// NET INCOME
context.netIncome = (context.netSales).add(context.incomeBalanceTotal).subtract(context.expenseBalanceTotal)
balanceTotalList.add(UtilMisc.toMap("totalName", "AccountingNetIncome", "balance", context.netIncome))

context.balanceTotalList = balanceTotalList