<?php
namespace Crater\Http\Controllers;

use Illuminate\Http\Request;
use Crater\User;
use Crater\Invoice;
use Crater\Company;
use Crater\InvoiceItem;
use Crater\Expense;
use Crater\CompanySetting;
use Crater\Tax;
use PDF;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Builder;

class ReportController extends Controller
{
    public function customersSalesReport($hash, Request $request)
    {
        $company = Company::where('unique_hash', $hash)->first();

        $start = Carbon::createFromFormat('d/m/Y', $request->from_date);
        $end = Carbon::createFromFormat('d/m/Y', $request->to_date);

        $customers = User::with(['invoices' => function ($query) use ($start, $end) {
                $query->whereBetween(
                    'invoice_date',
                    [$start->format('Y-m-d'), $end->format('Y-m-d')]
                );
            }])
            ->customer()
            ->whereCompany($company->id)
            ->applyInvoiceFilters($request->only(['from_date', 'to_date']))
            ->get();

        $totalAmount = 0;
        foreach ($customers as $customer) {
            $customerTotalAmount = 0;
            foreach ($customer->invoices as $invoice) {
                $customerTotalAmount += $invoice->total;
            }
            $customer->totalAmount = $customerTotalAmount;
            $totalAmount += $customerTotalAmount;
        }

        $dateFormat = CompanySetting::getSetting('carbon_date_format', $company->id);
        $from_date = Carbon::createFromFormat('d/m/Y', $request->from_date)->format($dateFormat);
        $to_date = Carbon::createFromFormat('d/m/Y', $request->to_date)->format($dateFormat);

        $colors = [
            'primary_text_color',
            'heading_text_color',
            'section_heading_text_color',
            'border_color',
            'body_text_color',
            'footer_text_color',
            'footer_total_color',
            'footer_bg_color',
            'date_text_color'
        ];
        $colorSettings = CompanySetting::whereIn('option', $colors)
            ->whereCompany($company->id)
            ->get();

        view()->share([
            'customers' => $customers,
            'totalAmount' => $totalAmount,
            'colorSettings' => $colorSettings,
            'company' => $company,
            'from_date' => $from_date,
            'to_date' => $to_date
        ]);
        $pdf = PDF::loadView('app.pdf.reports.sales-customers');

        if ($request->has('download')) {
            return $pdf->download();
        }

        return $pdf->stream();
    }

    public function itemsSalesReport($hash, Request $request)
    {
        $company = Company::where('unique_hash', $hash)->first();

        $items = InvoiceItem::whereCompany($company->id)
            ->applyInvoiceFilters($request->only(['from_date', 'to_date']))
            ->itemAttributes()
            ->get();

        $totalAmount = 0;
        foreach ($items as $item) {
            $totalAmount += $item->total_amount;
        }

        $dateFormat = CompanySetting::getSetting('carbon_date_format', $company->id);
        $from_date = Carbon::createFromFormat('d/m/Y', $request->from_date)->format($dateFormat);
        $to_date = Carbon::createFromFormat('d/m/Y', $request->to_date)->format($dateFormat);

        $colors = [
            'primary_text_color',
            'heading_text_color',
            'section_heading_text_color',
            'border_color',
            'body_text_color',
            'footer_text_color',
            'footer_total_color',
            'footer_bg_color',
            'date_text_color'
        ];
        $colorSettings = CompanySetting::whereIn('option', $colors)
            ->whereCompany($company->id)
            ->get();

        view()->share([
            'items' => $items,
            'colorSettings' => $colorSettings,
            'totalAmount' => $totalAmount,
            'company' => $company,
            'from_date' => $from_date,
            'to_date' => $to_date
        ]);
        $pdf = PDF::loadView('app.pdf.reports.sales-items');

        if ($request->has('download')) {
            return $pdf->download();
        }

        return $pdf->stream();
    }

    public function expensesReport($hash, Request $request)
    {
        $company = Company::where('unique_hash', $hash)->first();

        $expenseCategories = Expense::with('category')
            ->whereCompany($company->id)
            ->applyFilters($request->only(['from_date', 'to_date']))
            ->expensesAttributes()
            ->get();

        $totalAmount = 0;
        foreach ($expenseCategories as $category) {
            $totalAmount += $category->total_amount;
        }

        $dateFormat = CompanySetting::getSetting('carbon_date_format', $company->id);
        $from_date = Carbon::createFromFormat('d/m/Y', $request->from_date)->format($dateFormat);
        $to_date = Carbon::createFromFormat('d/m/Y', $request->to_date)->format($dateFormat);

        $colors = [
            'primary_text_color',
            'heading_text_color',
            'section_heading_text_color',
            'border_color',
            'body_text_color',
            'footer_text_color',
            'footer_total_color',
            'footer_bg_color',
            'date_text_color'
        ];
        $colorSettings = CompanySetting::whereIn('option', $colors)
            ->whereCompany($company->id)
            ->get();

        view()->share([
            'expenseCategories' => $expenseCategories,
            'colorSettings' => $colorSettings,
            'totalExpense' => $totalAmount,
            'company' => $company,
            'from_date' => $from_date,
            'to_date' => $to_date
        ]);
        $pdf = PDF::loadView('app.pdf.reports.expenses');

        if ($request->has('download')) {
            return $pdf->download();
        }

        return $pdf->stream();
    }

    public function taxSummery($hash, Request $request)
    {
        $company = Company::where('unique_hash', $hash)->first();

        $taxTypes = Tax::with('taxType', 'invoice', 'invoiceItem')
            ->whereCompany($company->id)
            ->whereInvoicesFilters($request->only(['from_date', 'to_date']))
            ->taxAttributes()
            ->get();

        $totalAmount = 0;
        foreach ($taxTypes as $taxType) {
            $totalAmount += $taxType->total_tax_amount;
        }

        $dateFormat = CompanySetting::getSetting('carbon_date_format', $company->id);
        $from_date = Carbon::createFromFormat('d/m/Y', $request->from_date)->format($dateFormat);
        $to_date = Carbon::createFromFormat('d/m/Y', $request->to_date)->format($dateFormat);

        $colors = [
            'primary_text_color',
            'heading_text_color',
            'section_heading_text_color',
            'border_color',
            'body_text_color',
            'footer_text_color',
            'footer_total_color',
            'footer_bg_color',
            'date_text_color'
        ];

        $colorSettings = CompanySetting::whereIn('option', $colors)
            ->whereCompany($company->id)
            ->get();

        view()->share([
            'taxTypes' => $taxTypes,
            'totalTaxAmount' => $totalAmount,
            'colorSettings' => $colorSettings,
            'company' => $company,
            'from_date' => $from_date,
            'to_date' => $to_date
        ]);

        $pdf = PDF::loadView('app.pdf.reports.tax-summary');

        if ($request->has('download')) {
            return $pdf->download();
        }

        return $pdf->stream();
    }

    public function profitLossReport($hash, Request $request)
    {
        $company = Company::where('unique_hash', $hash)->first();

        $invoicesAmount = Invoice::whereCompany($company->id)
            ->applyFilters($request->only(['from_date', 'to_date']))
            ->wherePaidStatus(Invoice::STATUS_PAID)
            ->sum('total');

        $expenseCategories = Expense::with('category')
            ->whereCompany($company->id)
            ->applyFilters($request->only(['from_date', 'to_date']))
            ->expensesAttributes()
            ->get();

        $totalAmount = 0;
        foreach ($expenseCategories as $category) {
            $totalAmount += $category->total_amount;
        }

        $dateFormat = CompanySetting::getSetting('carbon_date_format', $company->id);
        $from_date = Carbon::createFromFormat('d/m/Y', $request->from_date)->format($dateFormat);
        $to_date = Carbon::createFromFormat('d/m/Y', $request->to_date)->format($dateFormat);

        $colors = [
            'primary_text_color',
            'heading_text_color',
            'section_heading_text_color',
            'border_color',
            'body_text_color',
            'footer_text_color',
            'footer_total_color',
            'footer_bg_color',
            'date_text_color'
        ];
        $colorSettings = CompanySetting::whereIn('option', $colors)
            ->whereCompany($company->id)
            ->get();

        view()->share([
            'company' => $company,
            'income' => $invoicesAmount,
            'expenseCategories' => $expenseCategories,
            'totalExpense' => $totalAmount,
            'colorSettings' => $colorSettings,
            'company' => $company,
            'from_date' => $from_date,
            'to_date' => $to_date
        ]);
        $pdf = PDF::loadView('app.pdf.reports.profit-loss');

        if ($request->has('download')) {
            return $pdf->download();
        }

        return $pdf->stream();
    }
}