<?php

namespace Modules\ClinicalData\Http\Controllers;

use Illuminate\Database\QueryException;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Streamline\Models\County;
use Streamline\Models\District;
use Streamline\Models\Occupation;
use Streamline\Models\Parish;
use Streamline\Models\Subcounty;
use Streamline\Models\Village;

class ResidenceController
{
    public function __construct()
    {
    }

    public function get_counties($id)
    {
        $code = "<option> -- select -- </option>";
        $counties = DB::table('counties')
            ->whereNull('deleted_at')
            ->where(['district_id' => $id])
            ->get();

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

        return $code;
    }

    public function get_subcounties($id)
    {
        $code = "<option> -- select -- </option>";

        $subcounties = DB::table('subcounties')
            ->whereNull('deleted_at')
            ->where(['county_id' => $id])
            ->get();

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

        $code .= "</select>";

        return $code;
    }

    public function get_parishes($id)
    {
        $code = "<option> -- select -- </option>";

        $parishes = DB::table('parishes')
            ->whereNull('deleted_at')
            ->where(['subcounty_id' => $id])
            ->get();

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

        return $code;
    }

    public function get_villages($id)
    {
        $code = "<option> -- select -- </option>";

        $villages = DB::table('villages')
            ->whereNull('deleted_at')
            ->where(['parish_id' => $id])
            ->get();

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

        return $code;
    }

    /*
     * get patient residences and send corresponding drop down options
     */
    public function search_districts(Request $request) {
        $data = [];

        if ($request->has('q')) {
            $search = $request->q;
            $data = DB::table('districts')->select("name", "id")
                ->where('name', 'LIKE', "%$search%")
                ->get();
        }

        return response()->json($data);
    }

    public function search_counties(Request $request) {
        $data = [];

        if ($request->has('q')) {
            $search = $request->q;
            $data = DB::table('counties')->leftJoin('districts', 'districts.id', '=', 'counties.district_id')
                ->select("counties.name", "counties.id", "districts.name as district_name")
                ->where('counties.name', 'LIKE', "%$search%")
                ->get();
        }

        return response()->json($data);
    }

    public function search_subcounties(Request $request) {
        $data = [];

        if ($request->has('q')) {
            $search = $request->q;
            $data = DB::table('subcounties')->leftJoin('counties', 'counties.id', '=', 'subcounties.county_id')
                ->select("subcounties.name", "subcounties.id", "counties.name as county_name")
                ->where('subcounties.name', 'LIKE', "%$search%")
                ->get();
        }

        return response()->json($data);
    }

    public function search_parishes(Request $request) {
        $data = [];

        if ($request->has('q')) {
            $search = $request->q;
            $data = DB::table('parishes')->leftJoin('subcounties', 'subcounties.id', '=', 'parishes.subcounty_id')
                ->select("parishes.name", "parishes.id", "subcounties.name as sub_county_name")
                ->where('parishes.name', 'LIKE', "%$search%")
                ->get();
        }

        return response()->json($data);
    }

    public function search_villages(Request $request) {
        $data = [];

        if ($request->has('q')) {
            $search = $request->q;
            $data = DB::table('villages')->leftJoin('parishes', 'parishes.id', '=', 'villages.parish_id')
                ->select("villages.name", "villages.id", "parishes.name as parish_name")
                ->where('villages.name', 'LIKE', "%$search%")
                ->get();
        }

        return response()->json($data);
    }

    public function get_residence($district_id)
    {
        //loop is going to take long execution time
        $villages_array = [];
        $parishes_array = [];
        $subcounties_array = [];

        $counties = DB::table('counties')->where(['district_id' => $district_id])->whereNull('deleted_at')->pluck("name", "id");
        foreach ($counties as $county_id => $county_name) {
            $subcounties = DB::table('subcounties')->where(['county_id' => $county_id])->whereNull('deleted_at')->get();
            foreach ($subcounties as $subcounty) {
                $subcounties_array[$subcounty->id] = $subcounty->name;
                $parishes = DB::table('parishes')->where(['subcounty_id' => $subcounty->id])->whereNull('deleted_at')->get();
                foreach ($parishes as $parish) {
                    $parishes_array[$parish->id] = $parish->name;
                    $villages = DB::table('villages')->where(['parish_id' => $parish->id])->whereNull('deleted_at')->get();
                    foreach ($villages as $village) {
                        $villages_array[$village->id] = $village->name;
                    }
                }
            }
        }

        return ['subcounties' => $subcounties_array, 'parishes' => $parishes_array, 'villages' => $villages_array];
    }

    public function get_residence_district($district_id)
    {
        //loop is going to take long execution time
        $villages_array = [];
        $parishes_array = [];
        $sub_counties_array = [];
        $counties_array = [];
        $residences_array = [];

        $counties = DB::table('counties')->where(['district_id' => $district_id])->whereNull('deleted_at')->orderBy("name", "asc")->pluck("name", "id");
        foreach ($counties as $county_id => $county_name) {
            $counties_array[$county_id] = $county_name;
            $subcounties = DB::table('subcounties')->where(['county_id' => $county_id])->whereNull('deleted_at')->get();
            foreach ($subcounties as $subcounty) {
                $sub_counties_array[$subcounty->id] = $subcounty->name;
                $parishes = DB::table('parishes')->where(['subcounty_id' => $subcounty->id])->whereNull('deleted_at')->get();
                foreach ($parishes as $parish) {
                    $parishes_array[$parish->id] = $parish->name;
                    $villages = DB::table('villages')->where(['parish_id' => $parish->id])->whereNull('deleted_at')->get();
                    foreach ($villages as $village) {
                        $villages_array[$village->id] = $village->name;
                    }
                }
            }
        }

        $residences_array['counties'] = $counties_array;
        $residences_array['subcounties'] = $sub_counties_array;
        $residences_array['parishes'] = $parishes_array;
        $residences_array['villages'] = $villages_array;

        return json_encode($residences_array);
    }

    public function get_residence_county($county_id)
    {
        //loop is going to take long execution time
        $villages_array = [];
        $parishes_array = [];
        $sub_counties_array = [];
        $residences_array = [];

        $subcounties = DB::table('subcounties')->where(['county_id' => $county_id])->whereNull('deleted_at')->orderBy("name", "asc")->get();
        foreach ($subcounties as $subcounty) {
            $sub_counties_array[$subcounty->id] = $subcounty->name;
            $parishes = DB::table('parishes')->where(['subcounty_id' => $subcounty->id])->whereNull('deleted_at')->get();
            foreach ($parishes as $parish) {
                $parishes_array[$parish->id] = $parish->name;
                $villages = DB::table('villages')->where(['parish_id' => $parish->id])->whereNull('deleted_at')->get();
                foreach ($villages as $village) {
                    $villages_array[$village->id] = $village->name;
                }
            }
        }

        $residences_array['subcounties'] = $sub_counties_array;
        $residences_array['parishes'] = $parishes_array;
        $residences_array['villages'] = $villages_array;

        return json_encode($residences_array);
    }

    public function get_residence_sub_county($sub_county_id)
    {
        //loop is going to take long execution time
        $villages_array = [];
        $parishes_array = [];
        $residences_array = [];

        $parishes = DB::table('parishes')->where(['subcounty_id' => $sub_county_id])->whereNull('deleted_at')->orderBy("name", "asc")->get();
        foreach ($parishes as $parish) {
            $parishes_array[$parish->id] = $parish->name;
            $villages = DB::table('villages')->where(['parish_id' => $parish->id])->whereNull('deleted_at')->get();
            foreach ($villages as $village) {
                $villages_array[$village->id] = $village->name;
            }
        }

        $residences_array['parishes'] = $parishes_array;
        $residences_array['villages'] = $villages_array;

        return json_encode($residences_array);
    }

    public function get_residence_parish($parish_id)
    {
        //loop is going to take long execution time
        $villages_array = [];
        $residences_array = [];

        $villages = DB::table('villages')->where(['parish_id' => $parish_id])->whereNull('deleted_at')->orderBy("name", "asc")->get();
        foreach ($villages as $village) {
            $villages_array[$village->id] = $village->name;
        }

        $residences_array['villages'] = $villages_array;

        return json_encode($residences_array);
    }

    /* cater for adding a new occupation from a modal dynamically */
    public function add_new_occupation_dynamically(Request $request)
    {
        $occupation = new Occupation;
        $occupation->name = $request->name;
        $occupation->created_by = Auth::user()->id;
        $occupation->updated_by = Auth::user()->id;

        try {
            $occupation->save();
            return $occupation->id;
        } catch (QueryException $e) {
            flash("An error occurred")->error();
            return back()->withInput();
        }
    }

    public function add_new_district_dynamically(Request $request)
    {
        $district = new District;
        $district->name = $request->name;
        $district->created_by = Auth::user()->id;
        $district->updated_by = Auth::user()->id;

        $check = District::where('name', $request->name)->pluck('name')->first();
        if (is_null($check)) {
            try {
                $district->save();
                return $district->id;
            } catch (QueryException $e) {
                flash("An error occurred")->error();
                return back()->withInput();
            }
        } else {
            return 'false';
        }
    }

    public function add_new_county_dynamically(Request $request)
    {
        $county = new County;
        $county->name = $request->name;
        $county->district_id = $request->district_id;
        $county->created_by = Auth::user()->id;
        $county->updated_by = Auth::user()->id;

        $check = County::where('name', $request->name)->pluck('name')->first();
        if (is_null($check)) {
            try {
                $county->save();
                return $county->id;
            } catch (QueryException $e) {
                flash("An error occurred")->error();
                return back()->withInput();
            }
        } else {
            return 'false';
        }
    }

    public function add_new_subcounty_dynamically(Request $request)
    {
        $sub_county = new Subcounty;
        $sub_county->name = $request->name;
        $sub_county->county_id = $request->county_id;
        $sub_county->created_by = Auth::user()->id;
        $sub_county->updated_by = Auth::user()->id;

        $check = Subcounty::where('name', $request->name)->pluck('name')->first();
        if (is_null($check)) {
            try {
                $sub_county->save();
                return $sub_county->id;
            } catch (QueryException $e) {
                flash("An error occurred")->error();
                return back()->withInput();
            }
        } else {
            return 'false';
        }
    }

    public function add_new_parish_dynamically(Request $request)
    {
        $parish = new Parish;
        $parish->name = $request->name;
        $parish->subcounty_id = $request->subcounty_id;
        $parish->created_by = Auth::user()->id;
        $parish->updated_by = Auth::user()->id;

        $check = Parish::where('name', $request->name)->pluck('name')->first();
        if (is_null($check)) {
            try {
                $parish->save();
                return $parish->id;
            } catch (QueryException $e) {
                flash("An error occurred")->error();
                return back()->withInput();
            }
        } else {
            return 'false';
        }
    }

    public function add_new_village_dynamically(Request $request)
    {
        $village = new Village;
        $village->name = $request->name;
        $village->parish_id = $request->parish_id;
        $village->created_by = Auth::user()->id;
        $village->updated_by = Auth::user()->id;

        $check = Village::where('name', $request->name)->pluck('name')->first();
        if (is_null($check)) {
            try {
                $village->save();
                return $village->id;
            } catch (QueryException $e) {
                flash("An error occurred")->error();
                return back()->withInput();
            }
        } else {
            return 'false';
        }
    }

    public function quick_add_residence(Request $request)
    {
        $district_id = $request->district_id;
        $new_district_name = $request->new_district_name;
        $county_id = $request->county_id;
        $new_county_name = $request->new_county_name;
        $subcounty_id = $request->subcounty_id;
        $new_subcounty_name = $request->new_subcounty_name;
        $parish_id = $request->parish_id;
        $new_parish_name = $request->new_parish_name;
        $village_id = 0;
        $new_village_name = $request->new_village_name;

        if (!isset($district_id) && isset($new_district_name)) {
            $district = new District;
            $district->name = $new_district_name;
            $district->created_by = Auth::user()->id;
            $district->updated_by = Auth::user()->id;
            $district->save();

            $district_id = $district->id;
        }

        if (!isset($county_id) && isset($new_county_name) && is_numeric($district_id)) {
            $county = new County;
            $county->name = $new_county_name;
            $county->district_id = $district_id;
            $county->created_by = Auth::user()->id;
            $county->updated_by = Auth::user()->id;
            $county->save();

            $county_id = $county->id;
        }

        if (!isset($subcounty_id) && isset($new_subcounty_name) && is_numeric($county_id)) {
            $sub_county = new Subcounty;
            $sub_county->name = $new_subcounty_name;
            $sub_county->county_id = $county_id;
            $sub_county->created_by = Auth::user()->id;
            $sub_county->updated_by = Auth::user()->id;
            $sub_county->save();

            $subcounty_id = $sub_county->id;
        }

        if (!isset($parish_id) && isset($new_parish_name) && is_numeric($subcounty_id)) {
            $parish = new Parish;
            $parish->name = $new_parish_name;
            $parish->subcounty_id = $subcounty_id;
            $parish->created_by = Auth::user()->id;
            $parish->updated_by = Auth::user()->id;
            $parish->save();

            $parish_id = $parish->id;
        }

        if (isset($new_village_name)) {
            $village = new Village;
            $village->name = $new_village_name;
            $village->parish_id = is_numeric($parish_id) ? $parish_id : 0;
            $village->created_by = Auth::user()->id;
            $village->updated_by = Auth::user()->id;
            $village->save();

            $village_id = $village->id;
        }

        return (is_numeric($village_id) ? $village_id : 0) . "," . (is_numeric($parish_id) ? $parish_id : 0) . "," . (is_numeric($subcounty_id) ? $subcounty_id : 0) . "," .
            (is_numeric($county_id) ? $county_id : 0) . "," . (is_numeric($district_id) ? $district_id : 0);
    }
}