ACORE/apps/employees/admin.py

from django import forms
from django.contrib import admin
from django.utils.html import format_html
from django.utils.safestring import mark_safe
from django.utils.translation import gettext_lazy as _
from unfold.admin import ModelAdmin, TabularInline

from core.models import Directory
from .models import Employee, PermissionGroup
from apps.visit_manager.models import WorkSchedule, AttendanceLog

class HierarchicalDepartmentChoiceField(forms.ModelChoiceField):
    """Поле выбора отдела с отступами по иерархии в выпадающем списке."""

    def __init__(self, *args, **kwargs):
        queryset = kwargs.get('queryset') or Directory.objects.filter(
            directory_type__code='department',
            is_active=True,
        ).select_related('directory_type').order_by('_path')
        kwargs['queryset'] = queryset
        super().__init__(*args, **kwargs)

    def label_from_instance(self, obj):
        depth = (getattr(obj, '_path', '') or '').count('.')
        indent = '---' * depth + ('---  ' if depth else '')
        return f'{indent}{obj.name}'

class OfficeWarehouseChoiceField(forms.ModelChoiceField):
    def label_from_instance(self, obj):
        type_label = obj.get_location_type_display()
        addr = obj.get_full_address() or obj.address or ''
        return f"{type_label} — {addr}" if addr else type_label


class EmployeeAdminForm(forms.ModelForm):
    department = HierarchicalDepartmentChoiceField(
        label=_('Отдел'),
        required=False,
        empty_label=_('— Выберите отдел —'),
        widget=forms.Select(attrs={
            'class': 'hierarchy-department-select',
            'data-placeholder': 'Департамент → Отдел',
        }),
        help_text=_('Выберите из списка. Уровни вложенности отображаются отступами.'),
    )
    user_location = OfficeWarehouseChoiceField(
        queryset=None,
        required=False,
        empty_label=_('— Выберите офис или склад —'),
        label=_('Локация (офис/склад)'),
        help_text=_('Заполняется для location_type=office или warehouse'),
    )

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        from apps.locations.models import Location
        self.fields['user_location'].queryset = (
            Location.objects
            .filter(location_type__in=['office', 'warehouse'], is_active=True)
            .select_related('location_region')
            .order_by('location_type', 'address')
        )

    class Meta:
        model = Employee
        fields = '__all__'

class WorkScheduleInline(TabularInline):
    model = WorkSchedule
    fk_name = 'employee'
    extra = 0
    fields = ('schedule_template', 'location', 'start_date', 'end_date', 'is_primary', 'is_active')
    readonly_fields = ('is_active',)
    ordering = ('-start_date',)
    show_change_link = True

    def has_add_permission(self, request, obj=None):
        return False


class AttendanceLogInline(TabularInline):
    model = AttendanceLog
    fk_name = 'employee'
    extra = 0
    max_num = 0
    fields = ('timestamp', 'direction', 'location', 'device_id', 'synced')
    readonly_fields = ('timestamp', 'direction', 'location', 'device_id', 'synced')
    ordering = ('-timestamp',)
    show_change_link = True

    def has_add_permission(self, request, obj=None):
        return False

    def has_delete_permission(self, request, obj=None):
        return False


@admin.register(Employee)
class EmployeeAdmin(ModelAdmin):
    form = EmployeeAdminForm
    inlines = [WorkScheduleInline, AttendanceLogInline]

    class Media:
        css = {'all': ('users/css/employee_admin.css',)}
        js = ('assets/js/admin_phone_format.js',)

    list_display = [
        'photo_thumbnail', 'username', 'last_name', 'first_name', 'groups_display',
        'user_location_type', 'user_pharmacy', 'department_display', 'post',
        'is_active', 'hire_date'
    ]
    list_filter = ['groups', 'is_active', 'is_staff', 'user_location_type', 'department']
    search_fields = ['username', 'email', 'last_name', 'first_name', 'middle_name']
    list_select_related = ['user_pharmacy', 'department', 'post']
    readonly_fields = ('photo_preview',)

    fieldsets = (
        (_('Аутентификация'), {
            'fields': ('username', 'email', 'groups', 'is_active'),
            'classes': ('tab',),
        }),
        (_('ФИО'), {
            'fields': ('last_name', 'first_name', 'middle_name'),
            'classes': ('tab',),
        }),
        (_('Рабочая информация'), {
            'fields': (
                'user_location_type', 'user_organization',
                'user_pharmacy', 'user_location',
                'department', 'post', 'manager',
            ),
            'classes': ('tab',),
        }),
        (_('Даты'), {
            'fields': ('hire_date', 'termination_date', 'probation_end_date', 'date_joined'),
            'classes': ('tab',),
        }),
        (_('Личные данные'), {
            'fields': ('birth_date', 'inn_code', 'photo', 'photo_preview'),
            'classes': ('tab',),
        }),
        (_('Контакты'), {
            'fields': (
                'phone', 'internal_number', 'personal_phone', 'personal_email',
                'emergency_contact_name', 'emergency_contact_phone', 'emergency_contact_relation',
            ),
            'classes': ('tab',),
        }),
        ('Mattermost', {
            'fields': ('mattermost_user_id', 'mattermost_username', 'mattermost_sync_status',
                       'mattermost_last_sync', 'mattermost_sync_enabled'),
            'classes': ('tab', 'collapse'),
        }),
        ('Active Directory', {
            'fields': ('ad_user_dn', 'ad_sync_status', 'ad_sync_error', 'ad_last_sync', 'ad_sync_enabled'),
            'classes': ('tab', 'collapse'),
        }),
        (_('Графік та відвідуваність'), {
            'fields': (),
            'classes': ('tab',),
            'description': _('Графіки роботи та записи відвідуваності відображаються нижче.'),
        }),
    )

    def get_fieldsets(self, request, obj=None):
        fieldsets = list(super().get_fieldsets(request, obj))
        if request.user.is_superuser:
            fieldsets.append((
                _('Системный доступ'),
                {
                    'fields': ('is_staff', 'user_permissions'),
                    'classes': ('tab', 'collapse'),
                    'description': _('Только для IT-администраторов. is_staff — вход в Django admin.'),
                },
            ))
        return fieldsets

    # def permissions_summary(self, obj):
    #     perms = obj.effective_permissions()
    #     group = obj.permission_group.name if obj.permission_group_id else None

    #     if not perms and not group:
    #         return mark_safe('<span style="color:#999;">—</span>')

    #     parts = []
    #     if group:
    #         parts.append(format_html(
    #             '<span style="background:#1a7f37;color:#fff;'
    #             'padding:2px 6px;border-radius:4px;font-size:11px;">📁 {}</span>',
    #             group,
    #         ))
    #     for p in perms:
    #         parts.append(format_html(
    #             '<span style="background:#6c47ff;color:#fff;'
    #             'padding:2px 6px;border-radius:4px;font-size:11px;">{}</span>',
    #             p,
    #         ))
    #     return mark_safe(' '.join(parts))
    # permissions_summary.short_description = _('Группа / Разрешения')

    def photo_thumbnail(self, obj):
        if obj.photo:
            return format_html(
                '<img src="{}" style="width:36px;height:36px;border-radius:50%;object-fit:cover;">',
                obj.photo.url
            )
        return mark_safe('<span style="color:#999;">—</span>')
    photo_thumbnail.short_description = ''

    def photo_preview(self, obj):
        if obj.photo:
            return format_html(
                '<img src="{}" style="max-height:200px;border-radius:8px;">',
                obj.photo.url
            )
        return mark_safe('<span style="color:#999;">Фото не загружено</span>')
    photo_preview.short_description = _('Предпросмотр')

    def groups_display(self, obj):
        names = list(obj.groups.values_list('name', flat=True))
        if not names:
            return mark_safe('<span style="color:#999;">—</span>')
        return ', '.join(names)
    groups_display.short_description = _('Группы')

    def department_display(self, obj):  # noqa: E303
        """Отдел с полным путём иерархии без дубликатов (Офис → HR → Кадры)."""
        if not obj.department:
            return mark_safe('<span style="color:#999;">—</span>')
        try:
            parts = [n.name for n in obj.department.get_ancestors()] + [obj.department.name]
            # Убираем подряд идущие дубликаты (родитель и ребёнок с одинаковым именем)
            unique = []
            for p in parts:
                if not unique or unique[-1] != p:
                    unique.append(p)
            path = ' → '.join(unique)
            return format_html(
                '<span class="department-path" title="{}">{}</span>',
                path, path
            )
        except Exception:
            return obj.department.name or '—'
    department_display.short_description = _('Отдел')