"""initial schema

Revision ID: 20260709_0001
Revises:
Create Date: 2026-07-09 00:00:00.000000

"""
from collections.abc import Sequence

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql


revision: str = "20260709_0001"
down_revision: str | Sequence[str] | None = None
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.create_table(
        "interface_definitions",
        sa.Column("interface_type", sa.String(length=64), nullable=False),
        sa.Column("name", sa.String(length=128), nullable=False),
        sa.Column("capability", sa.String(length=16), nullable=False),
        sa.Column(
            "field_schema",
            postgresql.JSONB(astext_type=sa.Text()),
            server_default=sa.text("'{}'::jsonb"),
            nullable=False,
        ),
        sa.Column("enabled", sa.Boolean(), server_default=sa.text("true"), nullable=False),
        sa.Column("version", sa.Integer(), server_default=sa.text("1"), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.PrimaryKeyConstraint("interface_type"),
    )
    op.create_index("ix_interface_definitions_capability", "interface_definitions", ["capability"])

    op.create_table(
        "model_resources",
        sa.Column("id", sa.String(length=40), nullable=False),
        sa.Column("name", sa.String(length=128), server_default="", nullable=False),
        sa.Column("capability", sa.String(length=16), nullable=False),
        sa.Column("interface_type", sa.String(length=64), nullable=False),
        sa.Column("values", postgresql.JSONB(astext_type=sa.Text()), server_default=sa.text("'{}'::jsonb"), nullable=False),
        sa.Column("secrets", postgresql.JSONB(astext_type=sa.Text()), server_default=sa.text("'{}'::jsonb"), nullable=False),
        sa.Column("support_image_input", sa.Boolean(), server_default=sa.text("false"), nullable=False),
        sa.Column("enabled", sa.Boolean(), server_default=sa.text("true"), nullable=False),
        sa.Column("is_default", sa.Boolean(), server_default=sa.text("false"), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(["interface_type"], ["interface_definitions.interface_type"], ondelete="RESTRICT"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_model_resources_capability", "model_resources", ["capability"])
    op.create_index("ix_model_resources_interface_type", "model_resources", ["interface_type"])

    op.create_table(
        "knowledge_bases",
        sa.Column("id", sa.String(length=40), nullable=False),
        sa.Column("name", sa.String(length=128), nullable=False),
        sa.Column("description", sa.String(length=2048), server_default="", nullable=False),
        sa.Column("embedding_model_resource_id", sa.String(length=40), nullable=True),
        sa.Column("status", sa.String(length=16), server_default="active", nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(["embedding_model_resource_id"], ["model_resources.id"], ondelete="SET NULL"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_knowledge_bases_embedding_model_resource_id", "knowledge_bases", ["embedding_model_resource_id"])

    op.create_table(
        "assistants",
        sa.Column("id", sa.String(length=40), nullable=False),
        sa.Column("name", sa.String(length=128), nullable=False),
        sa.Column("type", sa.String(length=16), server_default="prompt", nullable=False),
        sa.Column("runtime_mode", sa.String(length=16), server_default="pipeline", nullable=False),
        sa.Column("greeting", sa.String(length=2048), server_default="", nullable=False),
        sa.Column("enable_interrupt", sa.Boolean(), server_default=sa.text("true"), nullable=False),
        sa.Column("vision_enabled", sa.Boolean(), server_default=sa.text("false"), nullable=False),
        sa.Column("vision_model_resource_id", sa.String(length=40), nullable=True),
        sa.Column("knowledge_base_id", sa.String(length=40), nullable=True),
        sa.Column("prompt", sa.String(length=8192), server_default="", nullable=False),
        sa.Column("api_url", sa.String(length=512), server_default="", nullable=False),
        sa.Column("api_key", sa.String(length=512), server_default="", nullable=False),
        sa.Column("app_id", sa.String(length=128), server_default="", nullable=False),
        sa.Column("graph", sa.JSON(), server_default=sa.text("'{}'::json"), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(["knowledge_base_id"], ["knowledge_bases.id"], ondelete="RESTRICT"),
        sa.ForeignKeyConstraint(["vision_model_resource_id"], ["model_resources.id"], ondelete="SET NULL"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_assistants_type", "assistants", ["type"])

    op.create_table(
        "assistant_model_bindings",
        sa.Column("assistant_id", sa.String(length=40), nullable=False),
        sa.Column("capability", sa.String(length=16), nullable=False),
        sa.Column("model_resource_id", sa.String(length=40), nullable=False),
        sa.Column("config", postgresql.JSONB(astext_type=sa.Text()), server_default=sa.text("'{}'::jsonb"), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(["assistant_id"], ["assistants.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["model_resource_id"], ["model_resources.id"], ondelete="RESTRICT"),
        sa.PrimaryKeyConstraint("assistant_id", "capability"),
    )
    op.create_index("ix_assistant_model_bindings_model_resource_id", "assistant_model_bindings", ["model_resource_id"])


def downgrade() -> None:
    op.drop_index("ix_assistant_model_bindings_model_resource_id", table_name="assistant_model_bindings")
    op.drop_table("assistant_model_bindings")
    op.drop_index("ix_assistants_type", table_name="assistants")
    op.drop_table("assistants")
    op.drop_index("ix_knowledge_bases_embedding_model_resource_id", table_name="knowledge_bases")
    op.drop_table("knowledge_bases")
    op.drop_index("ix_model_resources_interface_type", table_name="model_resources")
    op.drop_index("ix_model_resources_capability", table_name="model_resources")
    op.drop_table("model_resources")
    op.drop_index("ix_interface_definitions_capability", table_name="interface_definitions")
    op.drop_table("interface_definitions")