<?php

namespace Modules\Investigations\Http\Controllers;

use Illuminate\Database\QueryException;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Streamline\Models\Investigation;
use Streamline\Models\InvestigationSpecialisedVariable;
use Streamline\Models\InvestigationTestCode;
use Streamline\Models\LabInstrument;

class InvestigationTestCodesController extends Controller {

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\Foundation\Application|\Illuminate\View\View
     */
    public function index() {
        $test_codes = InvestigationTestCode::get();
        $instruments = LabInstrument::pluck('name', 'id');
        $investigations = Investigation::pluck('name', 'id');
        $specialised_variables = InvestigationSpecialisedVariable::pluck('name', 'id');

        return view('investigations::investigation_test_codes.index', compact('test_codes', 'investigations', 'instruments', 'specialised_variables'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\Foundation\Application|\Illuminate\View\View
     */
    public function create() {
        $investigations = Investigation::orderBy('name')
            ->pluck('name', 'id')
            ->prepend('- select -', '');

        $instruments = LabInstrument::orderBy('name')
            ->pluck('name', 'id')
            ->prepend('- select -', '');

        return view('investigations::investigation_test_codes.create', compact('investigations', 'instruments'));
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\RedirectResponse
     */
    public function store(Request $request) {
        request()->validate([
            'investigation_id' => 'required',
            'machine_name' => 'required',
            'test_code' => 'required'
        ]);

        $test_code = new InvestigationTestCode();
        $logged_in_user_id = Auth::user()->id;

        if ($request->is_specialised_variable == 1){
            if (is_null($request->investigation_specialised_variable)) {
                flash("Please include the specialised variable for this investigation")->error();
                return back()->withInput();
            } else {
                $test_code->investigation_id = $request->investigation_specialised_variable;
            }
        } else {
            $test_code->investigation_id = $request->investigation_id;
        }

        $test_code->machine_name = $request->machine_name;
        $test_code->test_code = $request->test_code;
        $test_code->is_specialised_variable = $request->is_specialised_variable;
        $test_code->created_by = $logged_in_user_id;
        $test_code->updated_by = $logged_in_user_id;

        try {
            $test_code->save();
            flash("Test Code has been saved")->success();
            return redirect("/investigation_test_codes/");
        } catch (QueryException $e) {
            flash("Something went wrong. Please try again")->error();
            return back()->withInput();
        }
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id) {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Foundation\Application|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
     */
    public function edit($id) {
        $test_code = InvestigationTestCode::where(['id' => $id])->first();
        $investigations = Investigation::orderBy('name')
            ->pluck('name', 'id')
            ->prepend('- select -', '');
        $instruments = LabInstrument::orderBy('name')
            ->pluck('name', 'id')
            ->prepend('- select -', '');
        $specialised_variables = InvestigationSpecialisedVariable::orderBy('name')
            ->pluck('name', 'id')
            ->prepend('- select -', '');

        if (!$test_code) {
            flash()->error("Investigation test code not found");
            return redirect('/investigation_test_codes/');
        } else {
            return view('investigations::investigation_test_codes.edit', compact('test_code', 'investigations', 'instruments', 'specialised_variables'));
        }
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Foundation\Application|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
     */
    public function update(Request $request, $id) {
        request()->validate([
            'investigation_id' => 'required',
            'machine_name' => 'required',
            'test_code' => 'required'
        ]);

        //validation passed
        $test_code = InvestigationTestCode::find($id);
        $logged_in_user_id = Auth::user()->id;

        if ($request->is_specialised_variable == 1){
            if (is_null($request->investigation_specialised_variable)) {
                flash("Please include the specialised variable for this investigation")->error();
                return back()->withInput();
            } else {
                $test_code->investigation_id = $request->investigation_specialised_variable;
            }
        } else {
            $test_code->investigation_id = $request->investigation_id;
        }

        $test_code->machine_name = $request->machine_name;
        $test_code->test_code = $request->test_code;
        $test_code->is_specialised_variable = $request->is_specialised_variable;
        $test_code->updated_by = $logged_in_user_id;

        try {
            $test_code->save();
            flash("Test code has been updated")->success();
            return redirect("/investigation_test_codes/");
        } catch (QueryException $e) {
            flash("An error occurred")->error();
            return back()->withInput();
        }
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Foundation\Application|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
     */
    public function destroy($id) {
        $test_code = InvestigationTestCode::find($id);

        if ($test_code->delete()) {
            flash("Test Code has been deleted.")->success();
            return redirect('/investigation_test_codes/');
        }
    }

    /**
     * Display a listing of the inactive resource(s).
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\Foundation\Application|\Illuminate\View\View
     */
    public function inactive() {
        $test_codes = InvestigationTestCode::onlyTrashed()->get();
        $investigations = Investigation::pluck('name', 'id');
        $instruments = LabInstrument::pluck('name', 'id');
        $specialised_variables = InvestigationSpecialisedVariable::pluck('name', 'id');

        if (count($test_codes) < 1) {
            flash()->error("There is no inactive test code");
            return redirect('/investigation_test_codes/');
        } else {
            return view('investigations::investigation_test_codes.inactive', compact('test_codes', 'investigations', 'instruments', 'specialised_variables'));
        }
    }

    /**
     * Activate the specified resource in storage.
     *
     * @param  int  $id
     * @return \Illuminate\Foundation\Application|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
     */
    public function activate($id) {
        $test_code = InvestigationTestCode::withTrashed()->find($id);

        if($test_code->restore()){
            flash("Test code has been activated.")->success();
            return redirect('/investigation_test_codes/inactive');
        }
    }

    public function check_investigation_speciality_type($id) {
        if (get_name($id, 'id', 'type', 'investigations') == 1){
            $code = "<select name='investigation_specialised_variable' id='investigation_specialised_variable' class='form-control select'>";
            $code .= "<option value=''> --select-- </option>";

            $variables = InvestigationSpecialisedVariable::where('investigation_id', $id)->get();

            foreach ($variables as $variable){
                $code .= "<option value='" . $variable->id . "'>" . $variable->name . "</option>";
            }

            $code .= "</select>";
        } else {
            $code = "0";
        }

        return $code;
    }
}