<?php

namespace App\Http\Controllers\Qms;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Qms\Concerns\ScopesToAccount;
use App\Models\Branch;
use App\Services\Qms\AuditLogger;
use App\Services\Qms\Industry\IndustryPackageInstaller;
use App\Services\Qms\Industry\IndustryPackageRegistry;
use App\Services\Qms\PlanService;
use App\Services\Qms\QmsPermissions;
use App\Support\OrganizationBranding;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class SettingsController extends Controller
{
    use ScopesToAccount;

    public function edit(Request $request, PlanService $plans, IndustryPackageRegistry $packages): View
    {
        $this->authorizeAbility($request, 'settings.view');
        $organization = $this->organization($request);
        $member = $this->member($request);
        $permissions = app(QmsPermissions::class);
        $canManage = $permissions->can($member, 'settings.manage');

        $branchCount = Branch::owned($this->ownerRef($request))
            ->where('organization_id', $organization->id)
            ->count();

        $packageKey = data_get($organization->settings, 'industry_package.key')
            ?? data_get($organization->settings, 'industry')
            ?? 'custom';
        $activePackage = $packages->get($packageKey);

        return view('qms.settings.edit', [
            'organization' => $organization,
            'canManage' => $canManage,
            'branchCount' => $branchCount,
            'appointmentModes' => config('qms.appointment_modes'),
            'industries' => $packages->labels(),
            'activePackage' => $activePackage,
            'packageMeta' => data_get($organization->settings, 'industry_package'),
            'hasPaidPlan' => $plans->hasPaidPlan($organization),
            'isPro' => $plans->isPro($organization),
            'isEnterprise' => $plans->isEnterprise($organization),
            'hasBranchesFeature' => $plans->hasFeature($organization, 'branches'),
            'hasTeamFeature' => $plans->hasFeature($organization, 'team'),
            'canViewBranches' => $permissions->can($member, 'admin.branches.view'),
            'canViewTeam' => $permissions->can($member, 'admin.members.view'),
            'proPriceMinor' => $plans->proPricePerBranchMinor(),
            'activeBranchCount' => $plans->activeBranchCount($organization),
        ]);
    }

    public function update(Request $request): RedirectResponse
    {
        $this->authorizeAbility($request, 'settings.manage');
        $organization = $this->organization($request);
        $owner = $this->ownerRef($request);

        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'timezone' => ['required', 'timezone'],
            'appointment_mode' => ['required', 'string', 'in:'.implode(',', array_keys(config('qms.appointment_modes')))],
            'industry' => ['nullable', 'string', 'in:'.implode(',', array_keys(config('industry_packages.packages', [])))],
            'notifications_enabled' => ['boolean'],
            'care_integration_enabled' => ['nullable', 'boolean'],
            'frontdesk_integration_enabled' => ['nullable', 'boolean'],
            'logo' => ['nullable', 'image', 'mimes:jpeg,png,jpg,webp,svg', 'max:2048'],
            'remove_logo' => ['nullable', 'boolean'],
        ]);

        $settings = $organization->settings ?? [];
        $settings['appointment_mode'] = $validated['appointment_mode'];
        $previousIndustry = $settings['industry'] ?? null;
        $settings['industry'] = $validated['industry'] ?? $settings['industry'] ?? null;
        $settings['notifications_enabled'] = $request->boolean('notifications_enabled', true);
        $integrations = $settings['integrations'] ?? [];
        if ($request->has('care_integration_enabled')) {
            $integrations['care_enabled'] = $request->boolean('care_integration_enabled');
        }
        if ($request->has('frontdesk_integration_enabled')) {
            $integrations['frontdesk_enabled'] = $request->boolean('frontdesk_integration_enabled');
        }
        $settings['integrations'] = $integrations;

        $logoPath = $organization->logo_path;

        if ($request->boolean('remove_logo')) {
            OrganizationBranding::deleteStoredLogo($organization);
            $logoPath = null;
        }

        if ($request->hasFile('logo')) {
            $logoPath = OrganizationBranding::storeLogo($organization, $request->file('logo'));
        }

        $organization->update([
            'name' => $validated['name'],
            'timezone' => $validated['timezone'],
            'logo_path' => $logoPath,
            'settings' => $settings,
        ]);

        AuditLogger::record($owner, 'organization.updated', $organization->id, $owner, \App\Models\Organization::class, $organization->id);

        $industryChanged = $settings['industry'] && $settings['industry'] !== $previousIndustry;
        if ($industryChanged) {
            $branch = Branch::query()
                ->where('organization_id', $organization->id)
                ->where('is_active', true)
                ->orderBy('id')
                ->first();
            if ($branch) {
                app(IndustryPackageInstaller::class)->install($organization->fresh(), $branch, $settings['industry'], [
                    'actor_ref' => $owner,
                ]);
            }
        }

        return back()->with('success', $industryChanged
            ? 'Settings saved. Industry package re-provisioned.'
            : 'Settings saved.');
    }

    public function reinstallPackage(Request $request, IndustryPackageInstaller $installer): RedirectResponse
    {
        $this->authorizeAbility($request, 'settings.manage');
        $organization = $this->organization($request);
        $owner = $this->ownerRef($request);

        $branch = Branch::query()
            ->where('organization_id', $organization->id)
            ->where('is_active', true)
            ->orderBy('id')
            ->first();

        if (! $branch) {
            return back()->with('error', 'Add a branch before reinstalling the industry package.');
        }

        $key = data_get($organization->settings, 'industry', 'custom');
        $result = $installer->install($organization, $branch, $key, [
            'actor_ref' => $owner,
            'include_optional' => true,
        ]);

        $message = 'Industry package synced.';
        if (($result['skipped_reason'] ?? null) === 'plan_queue_limit') {
            $message .= ' Some stages were skipped because of your plan queue limit — upgrade to Pro for the full template.';
        } elseif (($result['skipped_reason'] ?? null) === 'stages_managed_by_integration') {
            $message .= ' Stages are managed by Ladill Care; terminology and announcements were updated.';
        }

        return back()->with('success', $message);
    }
}