from django.contrib import admin
from .models import (
    Service, Project, Client, Order, Review, BlogPost,
    Category, ServiceRequest, AboutPage, FooterSettings, TeamMember,
    PortfolioItem, PrivacyPolicy, TermsOfUse, NewsArticle, CareerVacancy,
    SiteSettings, PortfolioImage, ContactSettings
)
from .forms import ProjectForm

@admin.register(Service)
class ServiceAdmin(admin.ModelAdmin):
    list_display = ('name', 'category', 'price')
    search_fields = ('name', 'category')

@admin.register(Project)
class ProjectAdmin(admin.ModelAdmin):
    form = ProjectForm
    list_display = ('name', 'client','service', 'status', 'order', 'description')
    list_filter = ('name', 'client','service', 'status', 'order')
    search_fields = ('name', 'client','service', 'status', 'order', 'client__first_name', 'client__last_name')

@admin.register(Client)
class ClientAdmin(admin.ModelAdmin):
    list_display = ('first_name', 'last_name', 'email', 'phone_number')
    search_fields = ('first_name', 'last_name', 'email')

@admin.register(Order)
class OrderAdmin(admin.ModelAdmin):
    list_display = ('id', 'service', 'client', 'client__email', 'client__phone_number', 'status')
    list_filter = ('status','client', 'order_date')
    search_fields = ('client__first_name', 'service__name','status','client', 'order_date')

@admin.register(Review)
class ReviewAdmin(admin.ModelAdmin):
    list_display = ('client', 'service', 'rating', 'review_date')
    list_filter = ('rating',)
    search_fields = ('client__first_name', 'service__name')

@admin.register(BlogPost)
class BlogPostAdmin(admin.ModelAdmin):
    list_display = ('title', 'status', 'author', 'published_date')
    list_filter = ('status', 'published_date')
    search_fields = ('title', 'excerpt', 'author__username')
    prepopulated_fields = {'slug': ('title',)}
    
@admin.register(Category)
class CategoryAdmin(admin.ModelAdmin):
    list_display = ('name','description')
    search_fields = ('name',)


class PortfolioImageInline(admin.TabularInline):
    model = PortfolioImage
    extra = 3
    fields = ('image', 'caption', 'order')
    verbose_name = 'Дополнительное изображение'
    verbose_name_plural = 'Галерея изображений'


@admin.register(PortfolioItem)
class PortfolioItemAdmin(admin.ModelAdmin):
    list_display = ('title', 'client_name', 'completion_date', 'featured', 'is_active', 'gallery_count', 'categories_display')
    list_filter = ('featured', 'is_active', 'completion_date', 'categories')
    search_fields = ('title', 'client_name', 'description')
    prepopulated_fields = {'slug': ('title',)}
    filter_horizontal = ('categories',)
    inlines = [PortfolioImageInline]
    
    def gallery_count(self, obj):
        return obj.gallery_images.count()
    gallery_count.short_description = 'Фото в галерее'  # type: ignore
    
    def categories_display(self, obj):
        return ", ".join([cat.name for cat in obj.categories.all()[:3]])
    categories_display.short_description = 'Категории'  # type: ignore


@admin.register(NewsArticle)
class NewsArticleAdmin(admin.ModelAdmin):
    list_display = ('title', 'is_published', 'published_date', 'created_at')
    list_filter = ('is_published', 'published_date', 'created_at')
    search_fields = ('title', 'excerpt')
    prepopulated_fields = {'slug': ('title',)}


@admin.register(CareerVacancy)
class CareerVacancyAdmin(admin.ModelAdmin):
    list_display = ('title', 'location', 'employment_type', 'is_active', 'posted_at')
    list_filter = ('employment_type', 'is_active', 'posted_at')
    search_fields = ('title', 'location')
    prepopulated_fields = {'slug': ('title',)}


@admin.register(PrivacyPolicy)
class PrivacyPolicyAdmin(admin.ModelAdmin):
    list_display = ('version', 'effective_date', 'is_active')
    list_filter = ('is_active', 'effective_date')
    search_fields = ('version',)


@admin.register(TermsOfUse)
class TermsOfUseAdmin(admin.ModelAdmin):
    list_display = ('version', 'effective_date', 'is_active')
    list_filter = ('is_active', 'effective_date')
    search_fields = ('version',)
    
@admin.register(ServiceRequest)
class ServiceRequestAdmin(admin.ModelAdmin):
    list_display = ('service','token', 'client', 'created_at')
    search_fields = ('service','token', 'client')
    list_filter = ('service','token','client')

@admin.register(AboutPage)
class AboutPageAdmin(admin.ModelAdmin):
    list_display = ('hero_title', 'is_active', 'updated_at')
    list_filter = ('is_active', 'updated_at')
    search_fields = ('hero_title', 'mission_title', 'vision_title')
    
    fieldsets = (
        ('Hero секция', {
            'fields': ('hero_badge', 'hero_title', 'hero_description')
        }),
        ('Статистика', {
            'fields': ('stat_projects', 'stat_clients', 'stat_years', 'stat_support')
        }),
        ('Миссия', {
            'fields': (
                'mission_badge', 'mission_title', 'mission_description',
                'mission_point_1_title', 'mission_point_1_text',
                'mission_point_2_title', 'mission_point_2_text',
                'mission_point_3_title', 'mission_point_3_text',
            )
        }),
        ('Видение', {
            'fields': ('vision_badge', 'vision_title', 'vision_description')
        }),
        ('Навыки', {
            'fields': (
                'skill_1_name', 'skill_1_percent',
                'skill_2_name', 'skill_2_percent',
                'skill_3_name', 'skill_3_percent',
                'skill_4_name', 'skill_4_percent',
            )
        }),
        ('Команда', {
            'fields': ('team_badge', 'team_title', 'team_description')
        }),
        ('Ценности', {
            'fields': (
                'values_badge', 'values_title',
                'value_1_icon', 'value_1_title', 'value_1_text',
                'value_2_icon', 'value_2_title', 'value_2_text',
                'value_3_icon', 'value_3_title', 'value_3_text',
                'value_4_icon', 'value_4_title', 'value_4_text',
            )
        }),
        ('Контакты', {
            'fields': ('contact_title', 'contact_description')
        }),
        ('Настройки', {
            'fields': ('is_active',)
        }),
    )
    
    def has_add_permission(self, request):
        # Разрешить создание если нет ни одной записи
        return AboutPage.objects.count() == 0
    
    def has_delete_permission(self, request, obj=None):
        # Запретить удаление
        return False


@admin.register(FooterSettings)
class FooterSettingsAdmin(admin.ModelAdmin):
    list_display = ('company_name', 'email', 'is_active', 'updated_at')
    list_filter = ('is_active', 'updated_at')
    search_fields = ('company_name', 'email')
    
    fieldsets = (
        ('Информация о компании', {
            'fields': ('company_name', 'company_description', 'company_logo_icon')
        }),
        ('Социальные сети', {
            'fields': ('telegram_url', 'instagram_url', 'linkedin_url', 'github_url', 'facebook_url', 'twitter_url'),
            'classes': ('collapse',)
        }),
        ('Контактная информация', {
            'fields': ('email', 'phone', 'address')
        }),
        ('Меню футера', {
            'fields': (
                'show_services_menu', 'services_title',
                'show_company_menu', 'company_menu_title'
            ),
            'classes': ('collapse',)
        }),
        ('Copyright', {
            'fields': ('copyright_text',)
        }),
        ('Интеграция скриптов', {
            'fields': ('google_analytics', 'google_adsense', 'yandex_metrika', 'facebook_pixel'),
            'description': 'Вставьте коды аналитики без тегов <script></script>',
            'classes': ('collapse',)
        }),
        ('Дополнительные скрипты', {
            'fields': ('custom_head_scripts', 'custom_body_scripts'),
            'description': 'Вставьте дополнительные скрипты С тегами <script></script>',
            'classes': ('collapse',)
        }),
        ('Настройки', {
            'fields': ('is_active',)
        }),
    )
    
    def has_add_permission(self, request):
        # Разрешить создание если нет ни одной записи
        return FooterSettings.objects.count() == 0
    
    def has_delete_permission(self, request, obj=None):
        # Запретить удаление единственной активной записи
        return False


@admin.register(TeamMember)
class TeamMemberAdmin(admin.ModelAdmin):
    list_display = ('full_name', 'position', 'order', 'is_active', 'email', 'updated_at')
    list_filter = ('is_active', 'position')
    search_fields = ('first_name', 'last_name', 'position', 'email')
    list_editable = ('order', 'is_active')
    
    fieldsets = (
        ('Основная информация', {
            'fields': ('first_name', 'last_name', 'position', 'photo')
        }),
        ('О специалисте', {
            'fields': ('bio', 'specialization')
        }),
        ('Контакты', {
            'fields': ('email', 'phone', 'telegram', 'linkedin', 'github'),
            'classes': ('collapse',)
        }),
        ('Настройки отображения', {
            'fields': ('order', 'is_active')
        }),
    )
    
    def full_name(self, obj):
        return obj.full_name
    full_name.short_description = 'ФИО'  # type: ignore
    full_name.admin_order_field = 'last_name'  # type: ignore


@admin.register(SiteSettings)
class SiteSettingsAdmin(admin.ModelAdmin):
    list_display = ('currency_symbol',)
    fieldsets = (
        ('Настройки валюты', {
            'fields': ('currency_symbol',)
        }),
    )
    
    def has_add_permission(self, request):
        # Запретить создание новых записей (singleton)
        return not SiteSettings.objects.exists()
    
    def has_delete_permission(self, request, obj=None):
        # Запретить удаление настроек
        return False


@admin.register(ContactSettings)
class ContactSettingsAdmin(admin.ModelAdmin):
    list_display = ('company_name', 'email', 'phone', 'telegram', 'updated_at')
    
    fieldsets = (
        ('📋 Основная информация', {
            'fields': ('company_name',),
            'description': 'Название компании'
        }),
        ('📞 Основные контакты', {
            'fields': ('email', 'phone', 'telegram', 'whatsapp'),
            'description': 'Главные каналы связи с клиентами'
        }),
        ('📍 Адрес и режим работы', {
            'fields': ('address', 'working_hours'),
        }),
        ('🌐 Социальные сети', {
            'fields': (
                'telegram_url',
                'instagram_url',
                'linkedin_url',
                'facebook_url',
                'twitter_url',
                'youtube_url',
                'github_url'
            ),
            'classes': ('collapse',),
            'description': 'Ссылки на страницы в социальных сетях'
        }),
        ('📧 Дополнительные контакты', {
            'fields': ('support_email', 'sales_email', 'emergency_phone'),
            'classes': ('collapse',),
            'description': 'Специализированные контакты (опционально)'
        }),
    )
    
    def has_add_permission(self, request):
        # Запретить создание новых записей (singleton)
        return not ContactSettings.objects.exists()
    
    def has_delete_permission(self, request, obj=None):
        # Запретить удаление контактов
        return False
    
    class Media:
        css = {
            'all': ('admin/css/forms.css',)
        }