# Copyright (c) 2025 Patrick Motsch
# All rights reserved.
"""
Teamsbot Feature Container - Main Module.
Handles feature initialization and RBAC catalog registration.
"""

import logging
from typing import Dict, List, Any

logger = logging.getLogger(__name__)

# Feature metadata
FEATURE_CODE = "teamsbot"
FEATURE_LABEL = {"en": "Teams Bot", "de": "Teams Bot", "fr": "Teams Bot"}
FEATURE_ICON = "mdi-headset"

# UI Objects for RBAC catalog
UI_OBJECTS = [
    {
        "objectKey": "ui.feature.teamsbot.dashboard",
        "label": {"en": "Dashboard", "de": "Dashboard", "fr": "Tableau de bord"},
        "meta": {"area": "dashboard"}
    },
    {
        "objectKey": "ui.feature.teamsbot.sessions",
        "label": {"en": "Sessions", "de": "Sitzungen", "fr": "Sessions"},
        "meta": {"area": "sessions"}
    },
    {
        "objectKey": "ui.feature.teamsbot.settings",
        "label": {"en": "Settings", "de": "Einstellungen", "fr": "Paramètres"},
        "meta": {"area": "settings", "admin_only": True}
    },
]

# DATA Objects for RBAC catalog (tables/entities)
DATA_OBJECTS = [
    {
        "objectKey": "data.feature.teamsbot.TeamsbotSession",
        "label": {"en": "Session", "de": "Sitzung", "fr": "Session"},
        "meta": {"table": "TeamsbotSession", "fields": ["id", "meetingLink", "botName", "status", "startedAt", "endedAt"]}
    },
    {
        "objectKey": "data.feature.teamsbot.TeamsbotTranscript",
        "label": {"en": "Transcript", "de": "Transkript", "fr": "Transcription"},
        "meta": {"table": "TeamsbotTranscript", "fields": ["id", "sessionId", "speaker", "text", "timestamp"]}
    },
    {
        "objectKey": "data.feature.teamsbot.TeamsbotBotResponse",
        "label": {"en": "Bot Response", "de": "Bot-Antwort", "fr": "Réponse du bot"},
        "meta": {"table": "TeamsbotBotResponse", "fields": ["id", "sessionId", "responseText", "detectedIntent"]}
    },
    {
        "objectKey": "data.feature.teamsbot.*",
        "label": {"en": "All Teams Bot Data", "de": "Alle Teams Bot Daten", "fr": "Toutes les données Teams Bot"},
        "meta": {"wildcard": True, "description": "Wildcard for all teamsbot data tables"}
    },
]

# Resource Objects for RBAC catalog
RESOURCE_OBJECTS = [
    {
        "objectKey": "resource.feature.teamsbot.session.start",
        "label": {"en": "Start Session", "de": "Sitzung starten", "fr": "Démarrer session"},
        "meta": {"endpoint": "/api/teamsbot/{instanceId}/sessions", "method": "POST"}
    },
    {
        "objectKey": "resource.feature.teamsbot.session.stop",
        "label": {"en": "Stop Session", "de": "Sitzung beenden", "fr": "Arrêter session"},
        "meta": {"endpoint": "/api/teamsbot/{instanceId}/sessions/{sessionId}/stop", "method": "POST"}
    },
    {
        "objectKey": "resource.feature.teamsbot.session.delete",
        "label": {"en": "Delete Session", "de": "Sitzung löschen", "fr": "Supprimer session"},
        "meta": {"endpoint": "/api/teamsbot/{instanceId}/sessions/{sessionId}", "method": "DELETE"}
    },
    {
        "objectKey": "resource.feature.teamsbot.config.edit",
        "label": {"en": "Edit Configuration", "de": "Konfiguration bearbeiten", "fr": "Modifier configuration"},
        "meta": {"endpoint": "/api/teamsbot/{instanceId}/config", "method": "PUT", "admin_only": True}
    },
]

# Template roles for this feature with AccessRules
TEMPLATE_ROLES = [
    {
        "roleLabel": "teamsbot-admin",
        "description": {
            "en": "Teams Bot Administrator - Full access to all sessions and settings",
            "de": "Teams Bot Administrator - Vollzugriff auf alle Sitzungen und Einstellungen",
            "fr": "Administrateur Teams Bot - Accès complet aux sessions et paramètres"
        },
        "accessRules": [
            # Full UI access (all views including settings)
            {"context": "UI", "item": None, "view": True},
            # Full DATA access
            {"context": "DATA", "item": None, "view": True, "read": "a", "create": "a", "update": "a", "delete": "a"},
            # All resources
            {"context": "RESOURCE", "item": "resource.feature.teamsbot.session.start", "view": True},
            {"context": "RESOURCE", "item": "resource.feature.teamsbot.session.stop", "view": True},
            {"context": "RESOURCE", "item": "resource.feature.teamsbot.session.delete", "view": True},
            {"context": "RESOURCE", "item": "resource.feature.teamsbot.config.edit", "view": True},
        ]
    },
    {
        "roleLabel": "teamsbot-viewer",
        "description": {
            "en": "Teams Bot Viewer - View sessions and transcripts (read-only)",
            "de": "Teams Bot Betrachter - Sitzungen und Transkripte ansehen (nur lesen)",
            "fr": "Visualiseur Teams Bot - Consulter les sessions et transcriptions (lecture seule)",
        },
        "accessRules": [
            {"context": "UI", "item": "ui.feature.teamsbot.dashboard", "view": True},
            {"context": "UI", "item": "ui.feature.teamsbot.sessions", "view": True},
            {"context": "DATA", "item": None, "view": True, "read": "m", "create": "n", "update": "n", "delete": "n"},
        ],
    },
    {
        "roleLabel": "teamsbot-user",
        "description": {
            "en": "Teams Bot User - Can start/stop sessions and view transcripts",
            "de": "Teams Bot Benutzer - Kann Sitzungen starten/stoppen und Transkripte einsehen",
            "fr": "Utilisateur Teams Bot - Peut démarrer/arrêter des sessions et voir les transcriptions",
        },
        "accessRules": [
            {"context": "UI", "item": "ui.feature.teamsbot.dashboard", "view": True},
            {"context": "UI", "item": "ui.feature.teamsbot.sessions", "view": True},
            {"context": "DATA", "item": "data.feature.teamsbot.TeamsbotSession", "view": True, "read": "m", "create": "m", "update": "m", "delete": "n"},
            {"context": "DATA", "item": "data.feature.teamsbot.TeamsbotTranscript", "view": True, "read": "m", "create": "n", "update": "n", "delete": "n"},
            {"context": "DATA", "item": "data.feature.teamsbot.TeamsbotBotResponse", "view": True, "read": "m", "create": "n", "update": "n", "delete": "n"},
            {"context": "RESOURCE", "item": "resource.feature.teamsbot.session.start", "view": True},
            {"context": "RESOURCE", "item": "resource.feature.teamsbot.session.stop", "view": True},
        ],
    },
]


def getFeatureDefinition() -> Dict[str, Any]:
    """Return the feature definition for registration."""
    return {
        "code": FEATURE_CODE,
        "label": FEATURE_LABEL,
        "icon": FEATURE_ICON,
        "autoCreateInstance": False,
    }


def getUiObjects() -> List[Dict[str, Any]]:
    """Return UI objects for RBAC catalog registration."""
    return UI_OBJECTS


def getResourceObjects() -> List[Dict[str, Any]]:
    """Return resource objects for RBAC catalog registration."""
    return RESOURCE_OBJECTS


def getTemplateRoles() -> List[Dict[str, Any]]:
    """Return template roles for this feature."""
    return TEMPLATE_ROLES


def getDataObjects() -> List[Dict[str, Any]]:
    """Return DATA objects for RBAC catalog registration."""
    return DATA_OBJECTS


def registerFeature(catalogService) -> bool:
    """Register this feature's RBAC objects in the catalog."""
    try:
        for uiObj in UI_OBJECTS:
            catalogService.registerUiObject(
                featureCode=FEATURE_CODE,
                objectKey=uiObj["objectKey"],
                label=uiObj["label"],
                meta=uiObj.get("meta")
            )
        
        for resObj in RESOURCE_OBJECTS:
            catalogService.registerResourceObject(
                featureCode=FEATURE_CODE,
                objectKey=resObj["objectKey"],
                label=resObj["label"],
                meta=resObj.get("meta")
            )
        
        for dataObj in DATA_OBJECTS:
            catalogService.registerDataObject(
                featureCode=FEATURE_CODE,
                objectKey=dataObj["objectKey"],
                label=dataObj["label"],
                meta=dataObj.get("meta")
            )
        
        _syncTemplateRolesToDb()
        
        logger.info(f"Feature '{FEATURE_CODE}' registered {len(UI_OBJECTS)} UI, {len(RESOURCE_OBJECTS)} resource, {len(DATA_OBJECTS)} data objects")
        return True
        
    except Exception as e:
        logger.error(f"Failed to register feature '{FEATURE_CODE}': {e}")
        return False


def _syncTemplateRolesToDb() -> int:
    """Sync template roles and their AccessRules to the database."""
    try:
        from modules.interfaces.interfaceDbApp import getRootInterface
        from modules.datamodels.datamodelRbac import Role, AccessRule, AccessRuleContext
        
        rootInterface = getRootInterface()
        existingRoles = rootInterface.getRolesByFeatureCode(FEATURE_CODE)
        templateRoles = [r for r in existingRoles if r.mandateId is None]
        existingRoleLabels = {r.roleLabel: str(r.id) for r in templateRoles}
        
        createdCount = 0
        for roleTemplate in TEMPLATE_ROLES:
            roleLabel = roleTemplate["roleLabel"]
            
            if roleLabel in existingRoleLabels:
                roleId = existingRoleLabels[roleLabel]
                _ensureAccessRulesForRole(rootInterface, roleId, roleTemplate.get("accessRules", []))
            else:
                newRole = Role(
                    roleLabel=roleLabel,
                    description=roleTemplate.get("description", {}),
                    featureCode=FEATURE_CODE,
                    mandateId=None,
                    featureInstanceId=None,
                    isSystemRole=False
                )
                createdRole = rootInterface.db.recordCreate(Role, newRole.model_dump())
                roleId = createdRole.get("id")
                _ensureAccessRulesForRole(rootInterface, roleId, roleTemplate.get("accessRules", []))
                logger.info(f"Created template role '{roleLabel}' with ID {roleId}")
                createdCount += 1
        
        if createdCount > 0:
            logger.info(f"Feature '{FEATURE_CODE}': Created {createdCount} template roles")
        
        return createdCount
        
    except Exception as e:
        logger.error(f"Error syncing template roles for feature '{FEATURE_CODE}': {e}")
        return 0


def _ensureAccessRulesForRole(rootInterface, roleId: str, ruleTemplates: List[Dict[str, Any]]) -> int:
    """Ensure AccessRules exist for a role based on templates."""
    from modules.datamodels.datamodelRbac import AccessRule, AccessRuleContext
    
    existingRules = rootInterface.getAccessRulesByRole(roleId)
    existingSignatures = set()
    for rule in existingRules:
        sig = (rule.context.value if rule.context else None, rule.item)
        existingSignatures.add(sig)
    
    createdCount = 0
    for template in ruleTemplates:
        context = template.get("context", "UI")
        item = template.get("item")
        sig = (context, item)
        
        if sig in existingSignatures:
            continue
        
        if context == "UI":
            contextEnum = AccessRuleContext.UI
        elif context == "DATA":
            contextEnum = AccessRuleContext.DATA
        elif context == "RESOURCE":
            contextEnum = AccessRuleContext.RESOURCE
        else:
            contextEnum = context
        
        newRule = AccessRule(
            roleId=roleId,
            context=contextEnum,
            item=item,
            view=template.get("view", False),
            read=template.get("read"),
            create=template.get("create"),
            update=template.get("update"),
            delete=template.get("delete"),
        )
        rootInterface.db.recordCreate(AccessRule, newRule.model_dump())
        createdCount += 1
    
    if createdCount > 0:
        logger.debug(f"Created {createdCount} AccessRules for role {roleId}")
    
    return createdCount