<?php

namespace Modules\ManagementTools\Http\Controllers;

use App\User;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\Support\Facades\DB;
use Modules\ManagementTools\Entities\MtUserReportSetting;
use Modules\ManagementTools\Utils\ManagementToolsUtil;

class TeamController extends Controller
{
    protected $mtUtil;

    public function __construct(ManagementToolsUtil $mtUtil)
    {
        $this->mtUtil = $mtUtil;
    }

    protected function authorizeAccess()
    {
        if (! auth()->user()->can('managementtools.access') || ! auth()->user()->can('managementtools.team_view')) {
            abort(403, 'Unauthorized action.');
        }
    }

    public function index(Request $request)
    {
        $this->authorizeAccess();
        $business_id = (int) $request->session()->get('user.business_id');

        $users = User::where('business_id', $business_id)
            ->user()
            ->where('allow_login', 1)
            ->orderBy('first_name')
            ->get(['id', 'first_name', 'last_name', 'surname', 'email']);

        $user_skills = DB::table('mt_user_skill as us')
            ->join('mt_skills as s', 's.id', '=', 'us.skill_id')
            ->where('us.business_id', $business_id)
            ->select('us.user_id', 's.title', 'us.skill_level')
            ->get()
            ->groupBy('user_id');

        $user_tools = DB::table('mt_user_tool as ut')
            ->join('mt_tools as t', 't.id', '=', 'ut.tool_id')
            ->where('ut.business_id', $business_id)
            ->select('ut.user_id', 't.title')
            ->get()
            ->groupBy('user_id');

        $report_settings = MtUserReportSetting::where('business_id', $business_id)
            ->get()
            ->keyBy('user_id');

        $skills = $this->mtUtil->getSkillsDropdown($business_id);
        $tools = $this->mtUtil->getToolsDropdown($business_id);

        return view('managementtools::team.index', compact('users', 'skills', 'tools', 'user_skills', 'user_tools', 'report_settings'));
    }

    public function edit($user_id)
    {
        $this->authorizeAccess();
        $business_id = (int) request()->session()->get('user.business_id');

        $user = User::where('business_id', $business_id)->where('id', $user_id)->firstOrFail();
        $assigned_skills = $this->mtUtil->getUserAssignedSkills($business_id, (int) $user_id);
        $assigned_tools = DB::table('mt_user_tool')
            ->where('business_id', $business_id)
            ->where('user_id', $user_id)
            ->pluck('tool_id')
            ->toArray();

        $skills = $this->mtUtil->getSkillsDropdown($business_id);
        $tools = $this->mtUtil->getToolsDropdown($business_id);
        $report_setting = MtUserReportSetting::resolveForUser($business_id, (int) $user_id);
        $report_modes = MtUserReportSetting::modes();

        return view('managementtools::team.edit', compact('user', 'skills', 'tools', 'assigned_skills', 'assigned_tools', 'report_setting', 'report_modes'));
    }

    public function update(Request $request, $user_id)
    {
        $this->authorizeAccess();
        $business_id = (int) $request->session()->get('user.business_id');

        User::where('business_id', $business_id)->where('id', $user_id)->firstOrFail();

        $request->validate([
            'skills' => 'nullable|array',
            'skills.*' => 'integer|exists:mt_skills,id',
            'skill_levels' => 'nullable|array',
            'tools' => 'nullable|array',
            'tools.*' => 'integer|exists:mt_tools,id',
            'report_mode' => 'required|in:'.implode(',', array_keys(MtUserReportSetting::modes())),
            'interval_minutes' => 'nullable|integer|min:1|max:1440',
        ]);

        $this->syncAssignments($request, $business_id, (int) $user_id);
        $this->syncReportSettings($request, $business_id, (int) $user_id);

        return response()->json(['success' => true, 'msg' => __('managementtools::lang.team_updated')]);
    }

    protected function syncAssignments(Request $request, int $business_id, int $user_id): void
    {
        $this->mtUtil->syncUserSkills(
            $business_id,
            $user_id,
            $request->input('skills', []),
            $request->input('skill_levels', [])
        );
        $this->mtUtil->syncUserTools($business_id, $user_id, $request->input('tools', []));
    }

    protected function syncReportSettings(Request $request, int $business_id, int $user_id): void
    {
        $mode = $request->input('report_mode', MtUserReportSetting::MODE_QUARTER);
        $minutes = (int) $request->input('interval_minutes', 15);

        if ($mode === MtUserReportSetting::MODE_HOURLY) {
            $minutes = 60;
        } elseif ($mode === MtUserReportSetting::MODE_QUARTER) {
            $minutes = 15;
        } elseif ($mode === MtUserReportSetting::MODE_GPS) {
            $minutes = 1;
        } elseif ($mode !== MtUserReportSetting::MODE_CUSTOM) {
            $minutes = 15;
        }

        MtUserReportSetting::updateOrCreate(
            ['business_id' => $business_id, 'user_id' => $user_id],
            ['report_mode' => $mode, 'interval_minutes' => $minutes]
        );
    }
}