"""
项目相关的 Pydantic Schema
"""
from pydantic import BaseModel, Field, field_validator
from typing import Optional
from datetime import datetime


class ProjectBase(BaseModel):
    """项目基础 Schema"""
    name: str = Field(..., min_length=1, max_length=100, description="项目名称")
    description: Optional[str] = Field(None, max_length=500, description="项目描述")
    is_public: int = Field(0, description="是否公开：0-私有 1-公开")


class ProjectCreate(ProjectBase):
    """创建项目 Schema"""
    pass


class ProjectUpdate(BaseModel):
    """更新项目 Schema"""
    name: Optional[str] = Field(None, min_length=1, max_length=100)
    description: Optional[str] = None
    is_public: Optional[int] = None
    cover_image: Optional[str] = None
    status: Optional[int] = None


class ProjectResponse(ProjectBase):
    """项目响应 Schema"""
    id: int
    storage_key: str
    owner_id: int
    is_template: int
    status: int
    cover_image: Optional[str] = None
    visit_count: int
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True


class ProjectMemberAdd(BaseModel):
    """添加项目成员 Schema"""
    user_id: int = Field(..., description="用户ID")
    role: str = Field("viewer", description="项目角色: admin/editor/viewer")

    @field_validator('role')
    @classmethod
    def validate_role(cls, v):
        if v not in ['admin', 'editor', 'viewer']:
            raise ValueError('role must be one of: admin, editor, viewer')
        return v


class ProjectMemberUpdate(BaseModel):
    """更新项目成员 Schema"""
    role: str = Field(..., description="项目角色: admin/editor/viewer")

    @field_validator('role')
    @classmethod
    def validate_role(cls, v):
        if v not in ['admin', 'editor', 'viewer']:
            raise ValueError('role must be one of: admin, editor, viewer')
        return v


class ProjectMemberResponse(BaseModel):
    """项目成员响应 Schema"""
    id: int
    project_id: int
    user_id: int
    role: str
    joined_at: datetime

    class Config:
        from_attributes = True


class ProjectShareSettings(BaseModel):
    """项目分享设置 Schema"""
    access_pass: Optional[str] = Field(None, max_length=100, description="访问密码（None表示取消密码）")


class ProjectShareInfo(BaseModel):
    """项目分享信息响应 Schema"""
    share_url: str = Field(..., description="分享链接")
    has_password: bool = Field(..., description="是否设置了访问密码")
    access_pass: Optional[str] = Field(None, description="访问密码（仅项目所有者可见）")