from typing import TYPE_CHECKING

from pydantic import BaseModel, Field

from core_domain import (
    SkillDefinitionContract,
    SkillInstallationContract,
    SkillInstallStatus,
    SkillRunContract,
    SkillStatus,
    SkillVersionContract,
    SkillVersionStatus,
)
from core_shared import JSONValue

if TYPE_CHECKING:
    from app.db.models import SkillDefinition, SkillInstallation, SkillRun, SkillVersion


class SkillCreateRequest(BaseModel):
    tenant_id: str
    code: str
    name: str
    skill_type: str = "template"
    description: str | None = None
    owner_user_id: str | None = None
    metadata_json: dict[str, JSONValue] = Field(default_factory=dict)


class SkillStatusUpdateRequest(BaseModel):
    tenant_id: str
    status: SkillStatus


class SkillResponse(SkillDefinitionContract):
    @classmethod
    def from_entity(cls, entity: "SkillDefinition") -> "SkillResponse":
        return cls.model_validate(entity, from_attributes=True)


class SkillVersionCreateRequest(BaseModel):
    tenant_id: str
    skill_id: str
    status: SkillVersionStatus = "draft"
    runtime_type: str = "template"
    entrypoint: str | None = None
    parameter_schema_json: dict[str, JSONValue] = Field(default_factory=dict)
    output_schema_json: dict[str, JSONValue] = Field(default_factory=dict)
    implementation_json: dict[str, JSONValue] = Field(default_factory=dict)


class SkillVersionResponse(SkillVersionContract):
    @classmethod
    def from_entity(cls, entity: "SkillVersion") -> "SkillVersionResponse":
        return cls.model_validate(entity, from_attributes=True)


class SkillInstallRequest(BaseModel):
    tenant_id: str
    skill_id: str
    skill_version_id: str | None = None
    install_scope: str = "tenant"
    scope_id: str
    config_json: dict[str, JSONValue] = Field(default_factory=dict)
    installed_by: str | None = None


class SkillInstallationStatusUpdateRequest(BaseModel):
    tenant_id: str
    status: SkillInstallStatus


class SkillInstallationResponse(SkillInstallationContract):
    @classmethod
    def from_entity(cls, entity: "SkillInstallation") -> "SkillInstallationResponse":
        return cls.model_validate(entity, from_attributes=True)


class SkillRunCreateRequest(BaseModel):
    tenant_id: str
    skill_id: str
    skill_version_id: str | None = None
    installation_id: str | None = None
    input_json: dict[str, JSONValue] = Field(default_factory=dict)


class SkillRunExecuteRequest(BaseModel):
    tenant_id: str
    worker_key: str | None = None


class SkillRunResponse(SkillRunContract):
    @classmethod
    def from_entity(cls, entity: "SkillRun") -> "SkillRunResponse":
        return cls.model_validate(entity, from_attributes=True)