from django.contrib import admin
from igny8_core.admin.base import SiteSectorAdminMixin
from .models import Tasks, Images, Content
from igny8_core.business.content.models import ContentTaxonomy, ContentAttribute


@admin.register(Tasks)
class TasksAdmin(SiteSectorAdminMixin, admin.ModelAdmin):
    list_display = ['title', 'site', 'sector', 'status', 'cluster', 'created_at']
    list_filter = ['status', 'site', 'sector', 'cluster']
    search_fields = ['title', 'description', 'keywords']
    ordering = ['-created_at']
    readonly_fields = ['content_type', 'content_structure', 'entity_type', 'cluster_role', 'assigned_post_id', 'post_url']
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('title', 'description', 'status', 'site', 'sector')
        }),
        ('Planning', {
            'fields': ('cluster', 'idea', 'keywords')
        }),
        ('Deprecated Fields (Read-Only)', {
            'fields': ('content_type', 'content_structure', 'entity_type', 'cluster_role', 'assigned_post_id', 'post_url'),
            'classes': ('collapse',),
            'description': 'These fields are deprecated. Use Content model instead.'
        }),
    )
    
    def get_site_display(self, obj):
        """Safely get site name"""
        try:
            return obj.site.name if obj.site else '-'
        except:
            return '-'
    get_site_display.short_description = 'Site'
    
    def get_sector_display(self, obj):
        """Safely get sector name"""
        try:
            return obj.sector.name if obj.sector else '-'
        except:
            return '-'
    
    def get_cluster_display(self, obj):
        """Safely get cluster name"""
        try:
            return obj.cluster.name if obj.cluster else '-'
        except:
            return '-'
    get_cluster_display.short_description = 'Cluster'


@admin.register(Images)
class ImagesAdmin(SiteSectorAdminMixin, admin.ModelAdmin):
    list_display = ['get_content_title', 'site', 'sector', 'image_type', 'status', 'position', 'created_at']
    list_filter = ['image_type', 'status', 'site', 'sector']
    search_fields = ['content__title', 'content__meta_title', 'task__title']
    ordering = ['-id']  # Sort by ID descending (newest first)
    
    def get_content_title(self, obj):
        """Get content title, fallback to task title if no content"""
        if obj.content:
            return obj.content.title or obj.content.meta_title or f"Content #{obj.content.id}"
        elif obj.task:
            return obj.task.title or f"Task #{obj.task.id}"
        return '-'
    get_content_title.short_description = 'Content Title'
    
    def get_site_display(self, obj):
        """Safely get site name"""
        try:
            return obj.site.name if obj.site else '-'
        except:
            return '-'
    get_site_display.short_description = 'Site'
    
    def get_sector_display(self, obj):
        """Safely get sector name"""
        try:
            return obj.sector.name if obj.sector else '-'
        except:
            return '-'


@admin.register(Content)
class ContentAdmin(SiteSectorAdminMixin, admin.ModelAdmin):
    list_display = ['title', 'entity_type', 'content_format', 'cluster_role', 'site', 'sector', 'source', 'sync_status', 'word_count', 'generated_at']
    list_filter = ['entity_type', 'content_format', 'cluster_role', 'source', 'sync_status', 'status', 'site', 'sector', 'generated_at']
    search_fields = ['title', 'meta_title', 'primary_keyword', 'task__title', 'external_url']
    ordering = ['-generated_at']
    readonly_fields = ['categories', 'tags']
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('title', 'task', 'site', 'sector', 'cluster', 'status')
        }),
        ('Content Classification', {
            'fields': ('entity_type', 'content_format', 'cluster_role', 'external_type')
        }),
        ('Content', {
            'fields': ('html_content', 'word_count', 'json_blocks', 'structure_data')
        }),
        ('SEO', {
            'fields': ('meta_title', 'meta_description', 'primary_keyword', 'secondary_keywords')
        }),
        ('WordPress Sync', {
            'fields': ('source', 'sync_status', 'external_id', 'external_url', 'sync_metadata'),
            'classes': ('collapse',)
        }),
        ('Optimization', {
            'fields': ('linker_version', 'optimizer_version', 'optimization_scores', 'internal_links'),
            'classes': ('collapse',)
        }),
        ('Deprecated Fields (Read-Only)', {
            'fields': ('categories', 'tags'),
            'classes': ('collapse',),
            'description': 'These fields are deprecated. Use taxonomies M2M instead.'
        }),
    )
    
    def get_site_display(self, obj):
        """Safely get site name"""
        try:
            return obj.site.name if obj.site else '-'
        except:
            return '-'
    get_site_display.short_description = 'Site'
    
    def get_sector_display(self, obj):
        """Safely get sector name"""
        try:
            return obj.sector.name if obj.sector else '-'
        except:
            return '-'


@admin.register(ContentTaxonomy)
class ContentTaxonomyAdmin(SiteSectorAdminMixin, admin.ModelAdmin):
    list_display = ['name', 'taxonomy_type', 'slug', 'parent', 'external_id', 'external_taxonomy', 'sync_status', 'count', 'site', 'sector']
    list_filter = ['taxonomy_type', 'sync_status', 'site', 'sector', 'parent']
    search_fields = ['name', 'slug', 'description', 'external_taxonomy']
    ordering = ['taxonomy_type', 'name']
    filter_horizontal = ['clusters']
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('name', 'slug', 'taxonomy_type', 'description', 'site', 'sector')
        }),
        ('Hierarchy', {
            'fields': ('parent',),
            'description': 'Set parent for hierarchical taxonomies (categories).'
        }),
        ('WordPress Sync', {
            'fields': ('external_id', 'external_taxonomy', 'sync_status', 'count', 'metadata')
        }),
        ('Semantic Mapping', {
            'fields': ('clusters',),
            'description': 'Map this taxonomy to semantic clusters for AI optimization.'
        }),
    )
    
    def get_queryset(self, request):
        qs = super().get_queryset(request)
        return qs.select_related('parent', 'site', 'sector').prefetch_related('clusters')


@admin.register(ContentAttribute)
class ContentAttributeAdmin(SiteSectorAdminMixin, admin.ModelAdmin):
    list_display = ['name', 'value', 'attribute_type', 'content', 'cluster', 'external_id', 'source', 'site', 'sector']
    list_filter = ['attribute_type', 'source', 'site', 'sector']
    search_fields = ['name', 'value', 'external_attribute_name', 'content__title']
    ordering = ['attribute_type', 'name']
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('attribute_type', 'name', 'value', 'site', 'sector')
        }),
        ('Relationships', {
            'fields': ('content', 'cluster'),
            'description': 'Link to content (products/services) or cluster (semantic attributes).'
        }),
        ('WordPress/WooCommerce Sync', {
            'fields': ('external_id', 'external_attribute_name', 'source', 'metadata')
        }),
    )
    
    def get_queryset(self, request):
        qs = super().get_queryset(request)
        return qs.select_related('content', 'cluster', 'site', 'sector')