"""
System Module Admin
"""
from django.contrib import admin
from unfold.admin import ModelAdmin
from igny8_core.admin.base import AccountAdminMixin, Igny8ModelAdmin
from .models import AIPrompt, IntegrationSettings, AuthorProfile, Strategy

from django.contrib import messages
from import_export.admin import ExportMixin, ImportExportMixin
from import_export import resources


class AIPromptResource(resources.ModelResource):
    """Resource class for importing/exporting AI Prompts"""
    class Meta:
        model = AIPrompt
        fields = ('id', 'account__name', 'prompt_type', 'prompt_value', 'is_active', 'created_at')
        export_order = fields
        import_id_fields = ('id',)
        skip_unchanged = True


# Import settings admin
from .settings_admin import (
    SystemSettingsAdmin, AccountSettingsAdmin, UserSettingsAdmin,
    ModuleSettingsAdmin, AISettingsAdmin
)

try:
    from .models import SystemLog, SystemStatus
    
    @admin.register(SystemLog)
    class SystemLogAdmin(AccountAdminMixin, Igny8ModelAdmin):
        list_display = ['id', 'account', 'module', 'level', 'action', 'message', 'created_at']
        list_filter = ['module', 'level', 'created_at', 'account']
        search_fields = ['message', 'action']
        readonly_fields = ['created_at', 'updated_at']
        date_hierarchy = 'created_at'


    @admin.register(SystemStatus)
    class SystemStatusAdmin(AccountAdminMixin, Igny8ModelAdmin):
        list_display = ['component', 'account', 'status', 'message', 'last_check']
        list_filter = ['status', 'component', 'account']
        search_fields = ['component', 'message']
        readonly_fields = ['last_check']
except ImportError:
    pass


@admin.register(AIPrompt)
class AIPromptAdmin(ImportExportMixin, AccountAdminMixin, Igny8ModelAdmin):
    resource_class = AIPromptResource
    list_display = ['id', 'prompt_type', 'account', 'is_active', 'updated_at']
    list_filter = ['prompt_type', 'is_active', 'account']
    search_fields = ['prompt_type']
    readonly_fields = ['created_at', 'updated_at', 'default_prompt']
    actions = [
        'bulk_activate',
        'bulk_deactivate',
        'bulk_reset_to_default',
    ]
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('account', 'prompt_type', 'is_active')
        }),
        ('Prompt Content', {
            'fields': ('prompt_value', 'default_prompt')
        }),
        ('Timestamps', {
            'fields': ('created_at', 'updated_at')
        }),
    )
    
    def get_account_display(self, obj):
        """Safely get account name"""
        try:
            account = getattr(obj, 'account', None)
            return account.name if account else '-'
        except:
            return '-'
    get_account_display.short_description = 'Account'
    
    def bulk_activate(self, request, queryset):
        updated = queryset.update(is_active=True)
        self.message_user(request, f'{updated} AI prompt(s) activated.', messages.SUCCESS)
    bulk_activate.short_description = 'Activate selected prompts'
    
    def bulk_deactivate(self, request, queryset):
        updated = queryset.update(is_active=False)
        self.message_user(request, f'{updated} AI prompt(s) deactivated.', messages.SUCCESS)
    bulk_deactivate.short_description = 'Deactivate selected prompts'
    
    def bulk_reset_to_default(self, request, queryset):
        count = 0
        for prompt in queryset:
            if prompt.default_prompt:
                prompt.prompt_value = prompt.default_prompt
                prompt.save()
                count += 1
        self.message_user(request, f'{count} AI prompt(s) reset to default values.', messages.SUCCESS)
    bulk_reset_to_default.short_description = 'Reset to default values'


class IntegrationSettingsResource(resources.ModelResource):
    """Resource class for exporting Integration Settings (config masked)"""
    class Meta:
        model = IntegrationSettings
        fields = ('id', 'account__name', 'integration_type', 'is_active', 'created_at')
        export_order = fields


@admin.register(IntegrationSettings)
class IntegrationSettingsAdmin(ExportMixin, AccountAdminMixin, Igny8ModelAdmin):
    resource_class = IntegrationSettingsResource
    list_display = ['id', 'integration_type', 'account', 'is_active', 'updated_at']
    list_filter = ['integration_type', 'is_active', 'account']
    search_fields = ['integration_type']
    readonly_fields = ['created_at', 'updated_at']
    actions = [
        'bulk_activate',
        'bulk_deactivate',
        'bulk_test_connection',
    ]
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('account', 'integration_type', 'is_active')
        }),
        ('Configuration', {
            'fields': ('config',),
            'description': 'JSON configuration containing API keys and settings. Example: {"apiKey": "sk-...", "model": "gpt-4.1", "enabled": true}'
        }),
        ('Timestamps', {
            'fields': ('created_at', 'updated_at')
        }),
    )
    
    def get_readonly_fields(self, request, obj=None):
        """Make config readonly when viewing to prevent accidental exposure"""
        if obj:  # Editing existing object
            return self.readonly_fields + ['config']
        return self.readonly_fields
    
    def get_account_display(self, obj):
        """Safely get account name"""
        try:
            account = getattr(obj, 'account', None)
            return account.name if account else '-'
        except:
            return '-'
    get_account_display.short_description = 'Account'
    
    def bulk_activate(self, request, queryset):
        updated = queryset.update(is_active=True)
        self.message_user(request, f'{updated} integration setting(s) activated.', messages.SUCCESS)
    bulk_activate.short_description = 'Activate selected integrations'
    
    def bulk_deactivate(self, request, queryset):
        updated = queryset.update(is_active=False)
        self.message_user(request, f'{updated} integration setting(s) deactivated.', messages.SUCCESS)
    bulk_deactivate.short_description = 'Deactivate selected integrations'
    
    def bulk_test_connection(self, request, queryset):
        """Test connection for selected integration settings"""
        count = queryset.filter(is_active=True).count()
        self.message_user(
            request,
            f'{count} integration(s) queued for connection test. (Test logic to be implemented)',
            messages.INFO
        )
    bulk_test_connection.short_description = 'Test connections'


class AuthorProfileResource(resources.ModelResource):
    """Resource class for importing/exporting Author Profiles"""
    class Meta:
        model = AuthorProfile
        fields = ('id', 'name', 'account__name', 'tone', 'language', 'is_active', 'created_at')
        export_order = fields
        import_id_fields = ('id',)
        skip_unchanged = True


@admin.register(AuthorProfile)
class AuthorProfileAdmin(ImportExportMixin, AccountAdminMixin, Igny8ModelAdmin):
    resource_class = AuthorProfileResource
    list_display = ['name', 'account', 'tone', 'language', 'is_active', 'created_at']
    list_filter = ['is_active', 'tone', 'language', 'account']
    search_fields = ['name', 'description', 'tone']
    readonly_fields = ['created_at', 'updated_at']
    actions = [
        'bulk_activate',
        'bulk_deactivate',
        'bulk_clone',
    ]
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('account', 'name', 'description', 'is_active')
        }),
        ('Writing Style', {
            'fields': ('tone', 'language', 'structure_template')
        }),
        ('Timestamps', {
            'fields': ('created_at', 'updated_at')
        }),
    )
    
    def get_account_display(self, obj):
        """Safely get account name"""
        try:
            account = getattr(obj, 'account', None)
            return account.name if account else '-'
        except:
            return '-'
    get_account_display.short_description = 'Account'
    
    def bulk_activate(self, request, queryset):
        updated = queryset.update(is_active=True)
        self.message_user(request, f'{updated} author profile(s) activated.', messages.SUCCESS)
    bulk_activate.short_description = 'Activate selected profiles'
    
    def bulk_deactivate(self, request, queryset):
        updated = queryset.update(is_active=False)
        self.message_user(request, f'{updated} author profile(s) deactivated.', messages.SUCCESS)
    bulk_deactivate.short_description = 'Deactivate selected profiles'
    
    def bulk_clone(self, request, queryset):
        count = 0
        for profile in queryset:
            profile_copy = AuthorProfile.objects.get(pk=profile.pk)
            profile_copy.pk = None
            profile_copy.name = f"{profile.name} (Copy)"
            profile_copy.is_active = False
            profile_copy.save()
            count += 1
        self.message_user(request, f'{count} author profile(s) cloned.', messages.SUCCESS)
    bulk_clone.short_description = 'Clone selected profiles'


class StrategyResource(resources.ModelResource):
    """Resource class for importing/exporting Strategies"""
    class Meta:
        model = Strategy
        fields = ('id', 'name', 'account__name', 'sector__name', 'is_active', 'created_at')
        export_order = fields
        import_id_fields = ('id',)
        skip_unchanged = True


@admin.register(Strategy)
class StrategyAdmin(ImportExportMixin, AccountAdminMixin, Igny8ModelAdmin):
    resource_class = StrategyResource
    list_display = ['name', 'account', 'sector', 'is_active', 'created_at']
    list_filter = ['is_active', 'account']
    search_fields = ['name', 'description']
    readonly_fields = ['created_at', 'updated_at']
    actions = [
        'bulk_activate',
        'bulk_deactivate',
        'bulk_clone',
    ]
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('account', 'name', 'description', 'sector', 'is_active')
        }),
        ('Strategy Configuration', {
            'fields': ('prompt_types', 'section_logic')
        }),
        ('Timestamps', {
            'fields': ('created_at', 'updated_at')
        }),
    )
    
    def get_account_display(self, obj):
        """Safely get account name"""
        try:
            account = getattr(obj, 'account', None)
            return account.name if account else '-'
        except:
            return '-'
    get_account_display.short_description = 'Account'
    
    def get_sector_display(self, obj):
        """Safely get sector name"""
        try:
            return obj.sector.name if obj.sector else 'Global'
        except:
            return 'Global'
    get_sector_display.short_description = 'Sector'    
    def bulk_activate(self, request, queryset):
        updated = queryset.update(is_active=True)
        self.message_user(request, f'{updated} strategy/strategies activated.', messages.SUCCESS)
    bulk_activate.short_description = 'Activate selected strategies'
    
    def bulk_deactivate(self, request, queryset):
        updated = queryset.update(is_active=False)
        self.message_user(request, f'{updated} strategy/strategies deactivated.', messages.SUCCESS)
    bulk_deactivate.short_description = 'Deactivate selected strategies'
    
    def bulk_clone(self, request, queryset):
        count = 0
        for strategy in queryset:
            strategy_copy = Strategy.objects.get(pk=strategy.pk)
            strategy_copy.pk = None
            strategy_copy.name = f"{strategy.name} (Copy)"
            strategy_copy.is_active = False
            strategy_copy.save()
            count += 1
        self.message_user(request, f'{count} strategy/strategies cloned.', messages.SUCCESS)
    bulk_clone.short_description = 'Clone selected strategies'