"""create template tables

Revision ID: 20260701_0001
Revises:
Create Date: 2026-07-01 12:00:00
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


revision: str = "20260701_0001"
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "template",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("name", sa.String(length=200), nullable=False, comment="模板名称"),
        sa.Column("type", sa.String(length=50), nullable=True, comment="报告类/公文类/总结类/合同类"),
        sa.Column("version", sa.String(length=20), nullable=True, comment="版本号"),
        sa.Column("original_file_path", sa.String(length=500), nullable=False, comment="原始 Word 文件路径"),
        sa.Column("status", sa.Integer(), nullable=True, comment="1=启用 0=停用"),
        sa.Column("created_by", sa.String(length=50), nullable=True, comment="创建人"),
        sa.Column("created_at", sa.DateTime(), nullable=True),
        sa.Column("updated_at", sa.DateTime(), nullable=True),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_table(
        "template_block",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("template_id", sa.Integer(), nullable=False, comment="所属模板"),
        sa.Column("block_id", sa.String(length=50), nullable=False, comment="唯一标识 block_001"),
        sa.Column("parent_block_id", sa.String(length=50), nullable=True, comment="父级 block_id"),
        sa.Column("block_type", sa.String(length=20), nullable=False, comment="title/heading/paragraph/table"),
        sa.Column("block_name", sa.String(length=200), nullable=True, comment="区域名称"),
        sa.Column("text_preview", sa.String(length=500), nullable=True, comment="文本预览"),
        sa.Column("level", sa.Integer(), nullable=True, comment="0=文档标题 1=一级 2=二级"),
        sa.Column("sort_order", sa.Integer(), nullable=True, comment="排序号"),
        sa.Column("table_rows", sa.Integer(), nullable=True, comment="表格行数"),
        sa.Column("table_cols", sa.Integer(), nullable=True, comment="表格列数"),
        sa.Column("created_at", sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(["template_id"], ["template.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_table(
        "block_config",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("template_id", sa.Integer(), nullable=False),
        sa.Column("block_id", sa.String(length=50), nullable=False),
        sa.Column("region_name", sa.String(length=200), nullable=True, comment="区域名称"),
        sa.Column("region_type", sa.String(length=30), nullable=True, comment="ai_generate/manual/fixed/table"),
        sa.Column("data_sources", sa.Text(), nullable=True, comment="数据来源 JSON 数组"),
        sa.Column("prompt", sa.Text(), nullable=True, comment="提示词"),
        sa.Column("output_format", sa.String(length=30), nullable=True, comment="输出格式"),
        sa.Column("need_review", sa.Integer(), nullable=True, comment="1=需要审核"),
        sa.Column("remark", sa.Text(), nullable=True, comment="备注"),
        sa.Column("enabled", sa.Integer(), nullable=True, comment="1=启用"),
        sa.Column("created_at", sa.DateTime(), nullable=True),
        sa.Column("updated_at", sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(["template_id"], ["template.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("template_id", "block_id", name="uq_template_block"),
    )


def downgrade() -> None:
    op.drop_table("block_config")
    op.drop_table("template_block")
    op.drop_table("template")