from admin_app.core import AdminCredentialStrategy, AdminSecurityService
from admin_app.db.write_governance import (
    build_admin_write_governance_payload,
    build_admin_write_governance_source_payload,
)
from admin_app.core.settings import AdminSettings
from shared.contracts import (
    BOT_GOVERNED_SETTINGS,
    FunctionalConfigurationPropagation,
    MODEL_RUNTIME_PROFILES,
    MODEL_RUNTIME_SEPARATION_RULES,
    SYSTEM_FUNCTIONAL_CONFIGURATIONS,
    get_functional_configuration,
)


class SystemService:
    def __init__(
        self,
        settings: AdminSettings,
        security_service: AdminSecurityService | None = None,
    ):
        self.settings = settings
        self.security_service = security_service or AdminSecurityService(settings)

    def build_root_payload(self) -> dict:
        return {
            "service": "orquestrador-admin",
            "status": "ok",
            "message": "Servico administrativo inicializado.",
            "environment": self.settings.admin_environment,
        }

    def build_health_payload(self) -> dict:
        return {
            "service": "orquestrador-admin",
            "status": "ok",
            "version": self.settings.admin_version,
        }

    def build_system_info_payload(self) -> dict:
        return {
            "service": "orquestrador-admin",
            "app_name": self.settings.admin_app_name,
            "environment": self.settings.admin_environment,
            "version": self.settings.admin_version,
            "api_prefix": self.settings.admin_api_prefix,
            "debug": self.settings.admin_debug,
        }

    def build_runtime_configuration_payload(self) -> dict:
        return {
            "application": {
                "app_name": self.settings.admin_app_name,
                "environment": self.settings.admin_environment,
                "version": self.settings.admin_version,
                "api_prefix": self.settings.admin_api_prefix,
                "debug": self.settings.admin_debug,
            },
            "database": {
                "host": self.settings.admin_db_host,
                "port": self.settings.admin_db_port,
                "name": self.settings.admin_db_name,
                "cloud_sql_configured": bool(self.settings.admin_db_cloud_sql_connection_name),
            },
        }

    def build_security_configuration_payload(self) -> AdminCredentialStrategy:
        return self.security_service.build_credential_strategy()

    def build_model_runtime_separation_payload(self) -> dict:
        atendimento_configuration = get_functional_configuration("atendimento_runtime_profile")
        tool_generation_configuration = get_functional_configuration("tool_generation_runtime_profile")
        if atendimento_configuration is None or tool_generation_configuration is None:
            raise RuntimeError("Shared functional configuration contracts are not available.")

        return {
            "runtime_profiles": [
                self._serialize_model_runtime_profile(runtime_profile)
                for runtime_profile in MODEL_RUNTIME_PROFILES
            ],
            "separation_rules": list(MODEL_RUNTIME_SEPARATION_RULES),
            "atendimento_runtime_configuration": self._serialize_functional_configuration(
                atendimento_configuration
            ),
            "tool_generation_runtime_configuration": self._serialize_functional_configuration(
                tool_generation_configuration
            ),
            "bot_governed_parent_config_keys": sorted(
                {setting.parent_config_key for setting in BOT_GOVERNED_SETTINGS}
            ),
        }

    def build_functional_configuration_catalog_payload(self) -> dict:
        return {
            "mode": "shared_contract_bootstrap",
            "configurations": [
                self._serialize_functional_configuration(configuration)
                for configuration in SYSTEM_FUNCTIONAL_CONFIGURATIONS
            ],
            "bot_governed_parent_config_keys": sorted(
                {setting.parent_config_key for setting in BOT_GOVERNED_SETTINGS}
            ),
            "next_steps": [
                "Persistir estado funcional governado no admin antes da publicacao para o produto.",
                "Adicionar versionamento, auditoria e aprovacao humana para configuracoes alteraveis.",
                "Conectar o estado desejado do admin ao estado efetivo publicado no product.",
            ],
        }

    def get_functional_configuration_payload(self, config_key: str) -> dict | None:
        configuration = get_functional_configuration(config_key)
        if configuration is None:
            return None

        linked_bot_settings = [
            self._serialize_bot_governed_setting(setting)
            for setting in BOT_GOVERNED_SETTINGS
            if setting.parent_config_key == configuration.config_key
        ]
        related_runtime_profile = next(
            (
                self._serialize_model_runtime_profile(runtime_profile)
                for runtime_profile in MODEL_RUNTIME_PROFILES
                if runtime_profile.config_key == configuration.config_key
            ),
            None,
        )
        return {
            "configuration": self._serialize_functional_configuration(configuration),
            "linked_bot_settings": linked_bot_settings,
            "related_runtime_profile": related_runtime_profile,
            "managed_by_bot_governance": bool(linked_bot_settings),
        }

    def build_bot_governed_configuration_payload(self) -> dict:
        ordered_settings = sorted(
            BOT_GOVERNED_SETTINGS,
            key=lambda setting: (setting.parent_config_key, setting.area.value, setting.setting_key),
        )
        return {
            "parent_config_keys": sorted(
                {setting.parent_config_key for setting in BOT_GOVERNED_SETTINGS}
            ),
            "settings": [
                self._serialize_bot_governed_setting(setting)
                for setting in ordered_settings
            ],
        }

    def build_write_governance_payload(self) -> dict:
        payload = build_admin_write_governance_payload()
        payload["governed_configuration_keys"] = sorted(
            configuration.config_key
            for configuration in SYSTEM_FUNCTIONAL_CONFIGURATIONS
            if configuration.propagation == FunctionalConfigurationPropagation.VERSIONED_PUBLICATION
        )
        return payload

    def build_configuration_sources_payload(self) -> list[dict]:
        return [
            {
                "key": "application",
                "source": "env",
                "mutable": False,
                "description": "Metadados principais do admin runtime vindos de AdminSettings.",
            },
            {
                "key": "database",
                "source": "env",
                "mutable": False,
                "description": "Conexao administrativa derivada das variaveis de ambiente do servico.",
            },
            {
                "key": "security",
                "source": "env",
                "mutable": False,
                "description": "Politicas de senha, token e bootstrap lidas do runtime administrativo.",
            },
            {
                "key": "panel_session",
                "source": "runtime",
                "mutable": False,
                "description": "Cookies e sessao web do painel derivam da configuracao ativa do admin.",
            },
            {
                "key": "functional_configuration_contracts",
                "source": "shared_contract",
                "mutable": False,
                "description": "Catalogo compartilhado das configuracoes funcionais governadas entre admin e product.",
            },
            {
                "key": "bot_governed_configuration_contracts",
                "source": "shared_contract",
                "mutable": False,
                "description": "Regras compartilhadas dos campos do bot que ficam sob governanca administrativa.",
            },
            {
                "key": "model_runtime_separation",
                "source": "shared_contract",
                "mutable": False,
                "description": "Contratos compartilhados que separam o runtime do atendimento do runtime de geracao de tools.",
            },
            build_admin_write_governance_source_payload(),
        ]

    @staticmethod
    def _serialize_model_runtime_profile(runtime_profile) -> dict:
        return {
            "runtime_target": runtime_profile.runtime_target,
            "config_key": runtime_profile.config_key,
            "catalog_runtime_target": runtime_profile.catalog_runtime_target,
            "purpose": runtime_profile.purpose,
            "consumed_by_service": runtime_profile.consumed_by_service,
            "description": runtime_profile.description,
            "read_permission": runtime_profile.read_permission,
            "write_permission": runtime_profile.write_permission,
            "published_independently": runtime_profile.published_independently,
            "rollback_independently": runtime_profile.rollback_independently,
            "cross_target_propagation_allowed": runtime_profile.cross_target_propagation_allowed,
            "affects_customer_response": runtime_profile.affects_customer_response,
            "can_generate_code": runtime_profile.can_generate_code,
        }

    @staticmethod
    def _serialize_functional_configuration(configuration) -> dict:
        return {
            "config_key": configuration.config_key,
            "domain": configuration.domain,
            "description": configuration.description,
            "source": configuration.source,
            "read_permission": configuration.read_permission,
            "write_permission": configuration.write_permission,
            "mutability": configuration.mutability,
            "propagation": configuration.propagation,
            "affects_product_runtime": configuration.affects_product_runtime,
            "direct_product_write_allowed": configuration.direct_product_write_allowed,
            "fields": [
                {
                    "name": field.name,
                    "description": field.description,
                    "writable": field.writable,
                    "secret": field.secret,
                }
                for field in configuration.fields
            ],
        }

    @staticmethod
    def _serialize_bot_governed_setting(setting) -> dict:
        return {
            "setting_key": setting.setting_key,
            "parent_config_key": setting.parent_config_key,
            "field_name": setting.field_name,
            "area": setting.area,
            "description": setting.description,
            "read_permission": setting.read_permission,
            "write_permission": setting.write_permission,
            "mutability": setting.mutability,
            "versioned_publication_required": setting.versioned_publication_required,
            "direct_product_write_allowed": setting.direct_product_write_allowed,
        }