<?php

declare(strict_types=1);

namespace Modules\Helpdesk\Livewire;

use Illuminate\Contracts\View\View;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\Str;
use Livewire\Component;
use Modules\Helpdesk\Models\Category;
use Modules\Helpdesk\Models\GitRepository;
use Modules\Helpdesk\Models\KanbanBoard;
use Modules\Helpdesk\Models\Priority;
use Modules\Helpdesk\Models\Project;
use Modules\Helpdesk\Models\Status;
use Modules\Helpdesk\Models\Team;
use Modules\Helpdesk\Models\WorkflowTemplate;

final class SettingsManager extends Component
{
    public string $section = 'statuses';

    /** @var array<string, mixed> */
    public array $statusForm = ['id' => null, 'name' => '', 'slug' => '', 'color' => 'zinc', 'sort_order' => 0, 'is_closed' => false];

    /** @var array<string, mixed> */
    public array $priorityForm = ['id' => null, 'name' => '', 'slug' => '', 'color' => 'zinc', 'sort_order' => 0];

    /** @var array<string, mixed> */
    public array $categoryForm = ['id' => null, 'company_id' => null, 'name' => '', 'slug' => '', 'color' => 'blue', 'description' => ''];

    /** @var array<string, mixed> */
    public array $teamForm = ['id' => null, 'company_id' => null, 'name' => '', 'slug' => '', 'color' => 'indigo', 'description' => '', 'archived_at' => null];

    /** @var array<string, mixed> */
    public array $projectForm = ['id' => null, 'company_id' => null, 'team_id' => null, 'title' => '', 'slug' => '', 'color' => 'blue', 'description' => '', 'archived_at' => null];

    /** @var array<string, mixed> */
    public array $boardForm = ['id' => null, 'name' => '', 'slug' => '', 'description' => '', 'is_default' => false, 'sort_order' => 0, 'status_ids' => []];

    /** @var array<string, mixed> */
    public array $repositoryForm = ['id' => null, 'company_id' => null, 'project_id' => null, 'name' => '', 'provider' => 'git', 'remote_url' => '', 'default_branch' => 'main', 'webhook_secret' => ''];

    /** @var array<string, mixed> */
    public array $workflowForm = ['id' => null, 'name' => '', 'event' => 'ticket.created', 'subject' => '', 'html_body' => '', 'text_body' => '', 'to_role' => 'requester', 'cc' => '', 'bcc' => '', 'is_active' => true];

    public function saveStatus(): void
    {
        $data = $this->validate([
            'statusForm.name' => ['required', 'string', 'max:80'],
            'statusForm.slug' => ['nullable', 'string', 'max:100'],
            'statusForm.color' => ['required', 'string', 'max:30'],
            'statusForm.sort_order' => ['required', 'integer', 'min:0'],
            'statusForm.is_closed' => ['boolean'],
        ])['statusForm'];

        $data['slug'] = $this->slug($data['slug'] ?: $data['name']);
        Status::query()->updateOrCreate(['id' => $this->statusForm['id']], $data);
        $this->resetStatusForm();
        session()->flash('success', 'Status saved.');
    }

    public function editStatus(int $id): void
    {
        $this->statusForm = Status::query()->findOrFail($id)->only(['id', 'name', 'slug', 'color', 'sort_order', 'is_closed']);
        $this->section = 'statuses';
    }

    public function deleteStatus(int $id): void
    {
        Status::query()->findOrFail($id)->delete();
        session()->flash('success', 'Status deleted.');
    }

    public function resetStatusForm(): void
    {
        $this->statusForm = ['id' => null, 'name' => '', 'slug' => '', 'color' => 'zinc', 'sort_order' => 0, 'is_closed' => false];
    }

    public function savePriority(): void
    {
        $data = $this->validate([
            'priorityForm.name' => ['required', 'string', 'max:80'],
            'priorityForm.slug' => ['nullable', 'string', 'max:100'],
            'priorityForm.color' => ['required', 'string', 'max:30'],
            'priorityForm.sort_order' => ['required', 'integer', 'min:0'],
        ])['priorityForm'];

        $data['slug'] = $this->slug($data['slug'] ?: $data['name']);
        Priority::query()->updateOrCreate(['id' => $this->priorityForm['id']], $data);
        $this->resetPriorityForm();
        session()->flash('success', 'Priority saved.');
    }

    public function editPriority(int $id): void
    {
        $this->priorityForm = Priority::query()->findOrFail($id)->only(['id', 'name', 'slug', 'color', 'sort_order']);
        $this->section = 'priorities';
    }

    public function deletePriority(int $id): void
    {
        Priority::query()->findOrFail($id)->delete();
        session()->flash('success', 'Priority deleted.');
    }

    public function resetPriorityForm(): void
    {
        $this->priorityForm = ['id' => null, 'name' => '', 'slug' => '', 'color' => 'zinc', 'sort_order' => 0];
    }

    public function saveCategory(): void
    {
        $data = $this->validate([
            'categoryForm.company_id' => ['nullable', 'integer'],
            'categoryForm.name' => ['required', 'string', 'max:120'],
            'categoryForm.slug' => ['nullable', 'string', 'max:140'],
            'categoryForm.color' => ['required', 'string', 'max:30'],
            'categoryForm.description' => ['nullable', 'string'],
        ])['categoryForm'];

        $data['slug'] = $this->slug($data['slug'] ?: $data['name']);
        Category::query()->updateOrCreate(['id' => $this->categoryForm['id']], $data);
        $this->resetCategoryForm();
        session()->flash('success', 'Category saved.');
    }

    public function editCategory(int $id): void
    {
        $this->categoryForm = Category::query()->findOrFail($id)->only(['id', 'company_id', 'name', 'slug', 'color', 'description']);
        $this->section = 'categories';
    }

    public function deleteCategory(int $id): void
    {
        Category::query()->findOrFail($id)->delete();
        session()->flash('success', 'Category deleted.');
    }

    public function resetCategoryForm(): void
    {
        $this->categoryForm = ['id' => null, 'company_id' => null, 'name' => '', 'slug' => '', 'color' => 'blue', 'description' => ''];
    }

    public function saveTeam(): void
    {
        $data = $this->validate([
            'teamForm.company_id' => ['nullable', 'integer'],
            'teamForm.name' => ['required', 'string', 'max:120'],
            'teamForm.slug' => ['nullable', 'string', 'max:140'],
            'teamForm.color' => ['required', 'string', 'max:30'],
            'teamForm.description' => ['nullable', 'string'],
        ])['teamForm'];

        $data['slug'] = $this->slug($data['slug'] ?: $data['name']);
        Team::query()->updateOrCreate(['id' => $this->teamForm['id']], $data);
        $this->resetTeamForm();
        session()->flash('success', 'Team saved.');
    }

    public function editTeam(int $id): void
    {
        $this->teamForm = Team::query()->findOrFail($id)->only(['id', 'company_id', 'name', 'slug', 'color', 'description', 'archived_at']);
        $this->section = 'teams';
    }

    public function deleteTeam(int $id): void
    {
        Team::query()->findOrFail($id)->delete();
        session()->flash('success', 'Team deleted.');
    }

    public function resetTeamForm(): void
    {
        $this->teamForm = ['id' => null, 'company_id' => null, 'name' => '', 'slug' => '', 'color' => 'indigo', 'description' => '', 'archived_at' => null];
    }

    public function saveProject(): void
    {
        $data = $this->validate([
            'projectForm.company_id' => ['nullable', 'integer'],
            'projectForm.team_id' => ['nullable', 'integer', 'exists:helpdesk_teams,id'],
            'projectForm.title' => ['required', 'string', 'max:160'],
            'projectForm.slug' => ['nullable', 'string', 'max:180'],
            'projectForm.color' => ['required', 'string', 'max:30'],
            'projectForm.description' => ['nullable', 'string'],
        ])['projectForm'];

        $data['slug'] = $this->slug($data['slug'] ?: $data['title']);
        Project::query()->updateOrCreate(['id' => $this->projectForm['id']], $data);
        $this->resetProjectForm();
        session()->flash('success', 'Project saved.');
    }

    public function editProject(int $id): void
    {
        $this->projectForm = Project::query()->findOrFail($id)->only(['id', 'company_id', 'team_id', 'title', 'slug', 'color', 'description', 'archived_at']);
        $this->section = 'projects';
    }

    public function deleteProject(int $id): void
    {
        Project::query()->findOrFail($id)->delete();
        session()->flash('success', 'Project deleted.');
    }

    public function resetProjectForm(): void
    {
        $this->projectForm = ['id' => null, 'company_id' => null, 'team_id' => null, 'title' => '', 'slug' => '', 'color' => 'blue', 'description' => '', 'archived_at' => null];
    }


    public function saveBoard(): void
    {
        $data = $this->validate([
            'boardForm.name' => ['required', 'string', 'max:160'],
            'boardForm.slug' => ['nullable', 'string', 'max:180'],
            'boardForm.description' => ['nullable', 'string'],
            'boardForm.is_default' => ['boolean'],
            'boardForm.sort_order' => ['required', 'integer', 'min:0'],
            'boardForm.status_ids' => ['array'],
            'boardForm.status_ids.*' => ['integer', 'exists:helpdesk_statuses,id'],
        ])['boardForm'];

        $statusIds = collect($data['status_ids'] ?? [])->map(static fn ($id): int => (int) $id)->filter()->values();
        unset($data['status_ids']);

        $data['slug'] = $this->slug($data['slug'] ?: $data['name']);

        if ((bool) ($data['is_default'] ?? false)) {
            KanbanBoard::query()->whereKeyNot($this->boardForm['id'])->update(['is_default' => false]);
        }

        $board = KanbanBoard::query()->updateOrCreate(['id' => $this->boardForm['id']], $data);

        $sync = [];
        foreach ($statusIds as $index => $statusId) {
            $sync[$statusId] = ['sort_order' => ($index + 1) * 10];
        }

        $board->statuses()->sync($sync);
        $this->resetBoardForm();
        $this->section = 'boards';
        session()->flash('success', 'Kanban board saved.');
    }

    public function editBoard(int $id): void
    {
        $board = KanbanBoard::query()->with('statuses')->findOrFail($id);

        $this->boardForm = [
            'id' => $board->id,
            'name' => $board->name,
            'slug' => $board->slug,
            'description' => $board->description,
            'is_default' => $board->is_default,
            'sort_order' => $board->sort_order,
            'status_ids' => $board->statuses->pluck('id')->map(static fn ($id): int => (int) $id)->all(),
        ];

        $this->section = 'boards';
    }

    public function deleteBoard(int $id): void
    {
        KanbanBoard::query()->findOrFail($id)->delete();
        session()->flash('success', 'Kanban board deleted.');
    }

    public function resetBoardForm(): void
    {
        $this->boardForm = ['id' => null, 'name' => '', 'slug' => '', 'description' => '', 'is_default' => false, 'sort_order' => 0, 'status_ids' => []];
    }

    public function saveRepository(): void
    {
        $data = $this->validate([
            'repositoryForm.company_id' => ['nullable', 'integer'],
            'repositoryForm.project_id' => ['nullable', 'integer', 'exists:helpdesk_projects,id'],
            'repositoryForm.name' => ['required', 'string', 'max:160'],
            'repositoryForm.provider' => ['required', 'string', 'max:40'],
            'repositoryForm.remote_url' => ['required', 'string', 'max:500'],
            'repositoryForm.default_branch' => ['required', 'string', 'max:120'],
            'repositoryForm.webhook_secret' => ['nullable', 'string', 'max:120'],
        ])['repositoryForm'];

        GitRepository::query()->updateOrCreate(['id' => $this->repositoryForm['id']], $data);
        $this->resetRepositoryForm();
        session()->flash('success', 'Git repository saved.');
    }

    public function editRepository(int $id): void
    {
        $this->repositoryForm = GitRepository::query()->findOrFail($id)->only(['id', 'company_id', 'project_id', 'name', 'provider', 'remote_url', 'default_branch', 'webhook_secret']);
        $this->section = 'git';
    }

    public function deleteRepository(int $id): void
    {
        GitRepository::query()->findOrFail($id)->delete();
        session()->flash('success', 'Git repository deleted.');
    }

    public function resetRepositoryForm(): void
    {
        $this->repositoryForm = ['id' => null, 'company_id' => null, 'project_id' => null, 'name' => '', 'provider' => 'git', 'remote_url' => '', 'default_branch' => 'main', 'webhook_secret' => ''];
    }

    public function saveWorkflowTemplate(): void
    {
        $data = $this->validate([
            'workflowForm.name' => ['required', 'string', 'max:160'],
            'workflowForm.event' => ['required', 'string', 'max:80'],
            'workflowForm.subject' => ['required', 'string', 'max:220'],
            'workflowForm.html_body' => ['required', 'string'],
            'workflowForm.text_body' => ['nullable', 'string'],
            'workflowForm.to_role' => ['required', 'string', 'max:40'],
            'workflowForm.cc' => ['nullable', 'string', 'max:500'],
            'workflowForm.bcc' => ['nullable', 'string', 'max:500'],
            'workflowForm.is_active' => ['boolean'],
        ])['workflowForm'];

        WorkflowTemplate::query()->updateOrCreate(['id' => $this->workflowForm['id']], $data);
        $this->resetWorkflowTemplateForm();
        session()->flash('success', 'Workflow message saved.');
    }

    public function editWorkflowTemplate(int $id): void
    {
        $this->workflowForm = WorkflowTemplate::query()->findOrFail($id)->only(['id', 'name', 'event', 'subject', 'html_body', 'text_body', 'to_role', 'cc', 'bcc', 'is_active']);
        $this->section = 'workflow';
    }

    public function deleteWorkflowTemplate(int $id): void
    {
        WorkflowTemplate::query()->findOrFail($id)->delete();
        session()->flash('success', 'Workflow message deleted.');
    }

    public function resetWorkflowTemplateForm(): void
    {
        $this->workflowForm = ['id' => null, 'name' => '', 'event' => 'ticket.created', 'subject' => '', 'html_body' => '', 'text_body' => '', 'to_role' => 'requester', 'cc' => '', 'bcc' => '', 'is_active' => true];
    }

    public function render(): View
    {
        return view('helpdesk::livewire.settings-manager', [
            'companies' => $this->companies(),
            'statuses' => Status::query()->withCount('tickets')->orderBy('sort_order')->orderBy('name')->get(),
            'priorities' => Priority::query()->withCount('tickets')->orderBy('sort_order')->orderBy('name')->get(),
            'categories' => Category::query()->withCount('tickets')->orderBy('name')->get(),
            'teams' => Team::query()->withCount(['projects', 'tickets'])->orderBy('name')->get(),
            'projects' => Project::query()->with(['team'])->withCount('tickets')->orderBy('title')->get(),
            'boards' => KanbanBoard::query()->with('statuses')->orderBy('sort_order')->orderBy('name')->get(),
            'repositories' => GitRepository::query()->with(['project'])->withCount('commits')->orderBy('name')->get(),
            'workflowTemplates' => WorkflowTemplate::query()->orderBy('event')->orderBy('name')->get(),
        ])->layout('layouts.app');
    }

    /** @return array<int, object> */
    private function companies(): array
    {
        if (! Schema::hasTable('companies')) {
            return [];
        }

        return DB::table('companies')->select(['id', 'name'])->orderBy('name')->get()->all();
    }

    private function slug(string $value): string
    {
        return Str::slug($value);
    }
}