<?php

declare(strict_types=1);

namespace App\Filament\Resources\Employees\Schemas;

use App\Enums\EmploymentStatus;
use App\Enums\Gender;
use App\Models\Employee;
use App\Models\Vacation;
use App\Services\Employee\EmployeeStatisticsService;
use Filament\Infolists\Components\ImageEntry;
use Filament\Infolists\Components\TextEntry;
use Filament\Schemas\Components\Section;
use Filament\Schemas\Components\Tabs;
use Filament\Schemas\Components\Tabs\Tab;
use Filament\Schemas\Schema;

class EmployeeInfolist
{
    public static function configure(Schema $schema): Schema
    {
        return $schema
            ->components([
                Tabs::make('Employee Details')
                    ->tabs([
                        Tab::make('Overview')
                            ->schema([
                                Section::make('Profile')
                                    ->schema([
                                        ImageEntry::make('profile_photo_path')
                                            ->label('Photo')
                                            ->disk(config('hr.file_uploads.disk'))
                                            ->visibility('private')
                                            ->circular()
                                            ->height(120)
                                            ->placeholder('—')
                                            ->columnSpanFull(),
                                        TextEntry::make('employee_number')
                                            ->label('Employee #'),
                                        TextEntry::make('full_name'),
                                        TextEntry::make('national_id')
                                            ->label('National ID')
                                            ->placeholder('—'),
                                        TextEntry::make('gender')
                                            ->badge()
                                            ->color(fn (Gender $state): string => $state->color())
                                            ->formatStateUsing(fn (Gender $state): string => $state->label()),
                                        TextEntry::make('birth_date')
                                            ->date(),
                                        TextEntry::make('phone'),
                                        TextEntry::make('address')
                                            ->placeholder('—')
                                            ->columnSpanFull(),
                                    ])
                                    ->columns(2),
                                Section::make('Organization')
                                    ->schema([
                                        TextEntry::make('department.name')
                                            ->label('Department')
                                            ->badge()
                                            ->color('info'),
                                        TextEntry::make('position.name')
                                            ->label('Position')
                                            ->badge()
                                            ->color('primary'),
                                        TextEntry::make('shift.name')
                                            ->label('Shift')
                                            ->badge()
                                            ->color('gray'),
                                        TextEntry::make('employment_status')
                                            ->badge()
                                            ->color(fn (EmploymentStatus $state): string => $state->color())
                                            ->formatStateUsing(fn (EmploymentStatus $state): string => $state->label())
                                            ->icon(fn (EmploymentStatus $state): string => $state->icon()),
                                    ])
                                    ->columns(2),
                                Section::make('Employment Timeline')
                                    ->schema([
                                        TextEntry::make('hire_date')
                                            ->label('Hire Date')
                                            ->date()
                                            ->icon('heroicon-o-calendar'),
                                        TextEntry::make('termination_date')
                                            ->label('Termination Date')
                                            ->date()
                                            ->placeholder('—')
                                            ->icon('heroicon-o-calendar-days'),
                                        TextEntry::make('tenure')
                                            ->label('Tenure')
                                            ->state(fn (Employee $record): string => $record->hire_date
                                                ? $record->hire_date->diffForHumans(now(), true)
                                                : '—'),
                                        TextEntry::make('notes')
                                            ->placeholder('—')
                                            ->columnSpanFull(),
                                    ])
                                    ->columns(2),
                            ]),
                        Tab::make('Statistics')
                            ->schema([
                                Section::make('Leave & Attendance')
                                    ->schema([
                                        TextEntry::make('stats_vacation_taken')
                                            ->label('Vacation Taken (days)')
                                            ->state(fn (Employee $record): int => app(EmployeeStatisticsService::class)->summary($record)->vacationTaken)
                                            ->numeric()
                                            ->icon('heroicon-o-sun'),
                                        TextEntry::make('stats_vacation_remaining')
                                            ->label('Vacation Remaining (days)')
                                            ->state(fn (Employee $record): int => app(EmployeeStatisticsService::class)->summary($record)->vacationRemaining)
                                            ->numeric()
                                            ->color('success')
                                            ->icon('heroicon-o-calendar'),
                                        TextEntry::make('stats_sick_leave_count')
                                            ->label('Sick Leave Records')
                                            ->state(fn (Employee $record): int => app(EmployeeStatisticsService::class)->summary($record)->sickLeaveCount)
                                            ->numeric()
                                            ->icon('heroicon-o-heart'),
                                    ])
                                    ->columns(3),
                                Section::make('HR Records')
                                    ->schema([
                                        TextEntry::make('stats_reports_count')
                                            ->label('Disciplinary Reports')
                                            ->state(fn (Employee $record): int => app(EmployeeStatisticsService::class)->summary($record)->reportsCount)
                                            ->numeric()
                                            ->icon('heroicon-o-exclamation-triangle'),
                                        TextEntry::make('stats_bonuses_total')
                                            ->label('Total Bonuses')
                                            ->state(fn (Employee $record): float => app(EmployeeStatisticsService::class)->summary($record)->bonusesTotal)
                                            ->money('TMT')
                                            ->icon('heroicon-o-banknotes'),
                                        TextEntry::make('stats_gifts_count')
                                            ->label('Gifts Received')
                                            ->state(fn (Employee $record): int => app(EmployeeStatisticsService::class)->summary($record)->giftsCount)
                                            ->numeric()
                                            ->icon('heroicon-o-gift'),
                                    ])
                                    ->columns(3),
                            ]),
                        Tab::make('Leave Summary')
                            ->schema([
                                Section::make('Annual Leave Balance')
                                    ->schema([
                                        TextEntry::make('leave_balance_taken')
                                            ->label('Days Taken')
                                            ->state(fn (Employee $record): int => app(EmployeeStatisticsService::class)->summary($record)->vacationTaken)
                                            ->suffix(' days'),
                                        TextEntry::make('leave_balance_remaining')
                                            ->label('Days Remaining')
                                            ->state(fn (Employee $record): int => app(EmployeeStatisticsService::class)->summary($record)->vacationRemaining)
                                            ->suffix(' days')
                                            ->color('success'),
                                        TextEntry::make('leave_balance_total')
                                            ->label('Annual Allowance')
                                            ->state(fn (): int => (int) config('hr.annual_leave_days'))
                                            ->suffix(' days'),
                                    ])
                                    ->columns(3),
                                Section::make('Upcoming Approved Leave')
                                    ->schema([
                                        TextEntry::make('upcoming_leave')
                                            ->label('Scheduled Vacations')
                                            ->state(function (Employee $record): string {
                                                $upcoming = app(EmployeeStatisticsService::class)
                                                    ->summary($record)
                                                    ->upcomingLeave;

                                                if ($upcoming->isEmpty()) {
                                                    return 'No upcoming approved leave';
                                                }

                                                return $upcoming
                                                    ->map(fn (Vacation $vacation): string => sprintf(
                                                        '%s: %s – %s (%d days)',
                                                        $vacation->type->label(),
                                                        $vacation->start_date->format('M j, Y'),
                                                        $vacation->end_date->format('M j, Y'),
                                                        $vacation->days,
                                                    ))
                                                    ->implode("\n");
                                            })
                                            ->listWithLineBreaks()
                                            ->columnSpanFull(),
                                    ]),
                                Section::make('Other Leave Types')
                                    ->schema([
                                        TextEntry::make('unpaid_leaves_count')
                                            ->label('Unpaid Leave Records')
                                            ->state(fn (Employee $record): int => $record->unpaidLeaves()->count())
                                            ->numeric(),
                                        TextEntry::make('explanations_count')
                                            ->label('Explanations')
                                            ->state(fn (Employee $record): int => $record->explanations()->count())
                                            ->numeric(),
                                    ])
                                    ->columns(2),
                            ]),
                    ])
                    ->columnSpanFull(),
            ]);
    }
}