"""Consumer connectors, widgets & notify dispatches — Phase 11.9.

Experience stores connector registration shells, widget definitions/instances,
and Communication notify client dispatches. No SMS provider ownership (ADR-012/016).
"""
from __future__ import annotations

import uuid

from sqlalchemy import Index, String, Text, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column
from sqlalchemy.types import JSON

from app.core.database import Base
from app.models.base import (
    ActorAuditMixin,
    OptimisticLockMixin,
    SoftDeleteMixin,
    TenantMixin,
    TimestampMixin,
    UUIDPrimaryKeyMixin,
)
from app.models.types import (
    GUID,
    ConnectorDispatchDirection,
    ConnectorDispatchStatus,
    ConsumerConnectorKind,
    ConsumerConnectorStatus,
    NotifyDispatchStatus,
    WidgetDefinitionStatus,
    WidgetInstanceStatus,
    WidgetKind,
)


class ExperienceConsumerConnectorRegistration(
    Base,
    UUIDPrimaryKeyMixin,
    TenantMixin,
    TimestampMixin,
    SoftDeleteMixin,
    ActorAuditMixin,
    OptimisticLockMixin,
):
    __tablename__ = "experience_consumer_connector_registrations"

    workspace_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    site_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    page_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    kind: Mapped[ConsumerConnectorKind] = mapped_column(nullable=False)
    code: Mapped[str] = mapped_column(String(50), nullable=False)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    status: Mapped[ConsumerConnectorStatus] = mapped_column(
        default=ConsumerConnectorStatus.DRAFT, nullable=False
    )
    external_service_ref: Mapped[str | None] = mapped_column(String(255), nullable=True)
    entity_ref: Mapped[str | None] = mapped_column(String(255), nullable=True)
    config_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    metadata_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)

    __table_args__ = (
        UniqueConstraint(
            "tenant_id",
            "code",
            name="uq_experience_consumer_connector_registrations_tenant_code",
        ),
        Index(
            "ix_experience_consumer_connector_registrations_workspace",
            "tenant_id",
            "workspace_id",
        ),
        Index(
            "ix_experience_consumer_connector_registrations_status",
            "tenant_id",
            "status",
        ),
        Index(
            "ix_experience_consumer_connector_registrations_tenant_deleted",
            "tenant_id",
            "is_deleted",
        ),
    )


class ExperienceConsumerConnectorDispatch(
    Base,
    UUIDPrimaryKeyMixin,
    TenantMixin,
    TimestampMixin,
    SoftDeleteMixin,
    ActorAuditMixin,
    OptimisticLockMixin,
):
    __tablename__ = "experience_consumer_connector_dispatches"

    registration_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    workspace_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    site_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    page_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    direction: Mapped[ConnectorDispatchDirection] = mapped_column(nullable=False)
    event_type: Mapped[str] = mapped_column(String(100), nullable=False)
    payload_ref: Mapped[str | None] = mapped_column(String(255), nullable=True)
    status: Mapped[ConnectorDispatchStatus] = mapped_column(
        default=ConnectorDispatchStatus.PENDING, nullable=False
    )
    response_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    notes: Mapped[str | None] = mapped_column(Text, nullable=True)

    __table_args__ = (
        Index(
            "ix_experience_consumer_connector_dispatches_registration",
            "tenant_id",
            "registration_id",
        ),
        Index(
            "ix_experience_consumer_connector_dispatches_status",
            "tenant_id",
            "status",
        ),
        Index(
            "ix_experience_consumer_connector_dispatches_tenant_deleted",
            "tenant_id",
            "is_deleted",
        ),
    )


class ExperienceWidgetDefinition(
    Base,
    UUIDPrimaryKeyMixin,
    TenantMixin,
    TimestampMixin,
    SoftDeleteMixin,
    ActorAuditMixin,
    OptimisticLockMixin,
):
    __tablename__ = "experience_widget_definitions"

    workspace_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    code: Mapped[str] = mapped_column(String(50), nullable=False)
    widget_kind: Mapped[WidgetKind] = mapped_column(nullable=False)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    status: Mapped[WidgetDefinitionStatus] = mapped_column(
        default=WidgetDefinitionStatus.DRAFT, nullable=False
    )
    connector_kind: Mapped[ConsumerConnectorKind | None] = mapped_column(nullable=True)
    default_config_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    permission_prefixes: Mapped[list | None] = mapped_column(JSON, nullable=True)
    metadata_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)

    __table_args__ = (
        UniqueConstraint(
            "tenant_id",
            "code",
            name="uq_experience_widget_definitions_tenant_code",
        ),
        Index("ix_experience_widget_definitions_status", "tenant_id", "status"),
        Index(
            "ix_experience_widget_definitions_tenant_deleted",
            "tenant_id",
            "is_deleted",
        ),
    )


class ExperienceWidgetInstance(
    Base,
    UUIDPrimaryKeyMixin,
    TenantMixin,
    TimestampMixin,
    SoftDeleteMixin,
    ActorAuditMixin,
    OptimisticLockMixin,
):
    __tablename__ = "experience_widget_instances"

    workspace_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    site_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    page_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    widget_definition_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    widget_kind: Mapped[WidgetKind] = mapped_column(nullable=False)
    code: Mapped[str] = mapped_column(String(50), nullable=False)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    status: Mapped[WidgetInstanceStatus] = mapped_column(
        default=WidgetInstanceStatus.DRAFT, nullable=False
    )
    connector_registration_id: Mapped[uuid.UUID | None] = mapped_column(
        GUID(), nullable=True
    )
    entity_ref: Mapped[str | None] = mapped_column(String(255), nullable=True)
    embed_ref: Mapped[str] = mapped_column(String(255), nullable=False)
    config_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    metadata_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)

    __table_args__ = (
        UniqueConstraint(
            "tenant_id",
            "site_id",
            "code",
            name="uq_experience_widget_instances_site_code",
        ),
        UniqueConstraint(
            "tenant_id",
            "embed_ref",
            name="uq_experience_widget_instances_embed_ref",
        ),
        Index("ix_experience_widget_instances_site", "tenant_id", "site_id"),
        Index("ix_experience_widget_instances_status", "tenant_id", "status"),
        Index(
            "ix_experience_widget_instances_tenant_deleted",
            "tenant_id",
            "is_deleted",
        ),
    )


class ExperienceNotifyDispatch(
    Base,
    UUIDPrimaryKeyMixin,
    TenantMixin,
    TimestampMixin,
    SoftDeleteMixin,
    ActorAuditMixin,
    OptimisticLockMixin,
):
    __tablename__ = "experience_notify_dispatches"

    workspace_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    site_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    page_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    widget_instance_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    connector_registration_id: Mapped[uuid.UUID | None] = mapped_column(
        GUID(), nullable=True
    )
    channel: Mapped[str] = mapped_column(String(50), nullable=False)
    template_key: Mapped[str] = mapped_column(String(100), nullable=False)
    communication_request_ref: Mapped[str | None] = mapped_column(
        String(255), nullable=True
    )
    to_ref: Mapped[str | None] = mapped_column(String(255), nullable=True)
    payload_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    status: Mapped[NotifyDispatchStatus] = mapped_column(
        default=NotifyDispatchStatus.PENDING, nullable=False
    )
    response_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    metadata_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)

    __table_args__ = (
        Index("ix_experience_notify_dispatches_workspace", "tenant_id", "workspace_id"),
        Index("ix_experience_notify_dispatches_status", "tenant_id", "status"),
        Index(
            "ix_experience_notify_dispatches_tenant_deleted",
            "tenant_id",
            "is_deleted",
        ),
    )