"""基础数据管理六表：人员/辐射区域/拓展计划/产品/客户/归属变更留痕（M2）

- personnel / personnel_regions / personnel_plans：人员档案及其 1:N 子表
- products：产品主数据（类别锚定折算阈值参数）
- customers：客户档案（公司名称+负责人为业务唯一标识）
- ownership_change_logs：归属变更留痕（append-only，不回溯历史）
- 六张表的 T+ 同步预留列（source_no 等）全部可空、不设唯一键（对照表 #26）

Revision ID: e1133a7c670a
Revises: bfbda9c3191d
Create Date: 2026-10-13 09:36:02.219248

"""
from collections.abc import Sequence

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

# revision identifiers, used by Alembic.
revision: str = 'e1133a7c670a'
down_revision: str | Sequence[str] | None = 'bfbda9c3191d'
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    """应用迁移。"""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('products',
    sa.Column('id', mysql.BIGINT(unsigned=True), autoincrement=True, nullable=False, comment='主键ID'),
    sa.Column('product_name', sa.String(length=128), nullable=False, comment='产品名称'),
    sa.Column('spec_model', sa.String(length=128), server_default='', nullable=False, comment='规格型号（空串而非 NULL：参与组合唯一键，MySQL 组合索引对 NULL 不去重）'),
    sa.Column('unit', sa.String(length=16), nullable=True, comment='计量单位'),
    sa.Column('stock_quantity', sa.Numeric(precision=14, scale=2), nullable=True, comment='数量（T+ 同步原样存储，语义待 IT 确认）'),
    sa.Column('sale_price', sa.Numeric(precision=14, scale=4), nullable=True, comment='销售单价（元，T+ 同步）'),
    sa.Column('product_category', sa.String(length=32), nullable=False, comment='产品类别：municipal_water市政水利 rail_transit轨道交通（决定折算阈值 30%/20%；T+同步不覆盖）'),
    sa.Column('status', mysql.TINYINT(), server_default='1', nullable=False, comment='状态：1启用 0停用'),
    sa.Column('remark', sa.String(length=255), nullable=True, comment='备注'),
    sa.Column('create_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False, comment='创建时间'),
    sa.Column('update_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'), nullable=False, comment='更新时间'),
    sa.Column('source_no', sa.String(length=64), nullable=True, comment='T+ 原始单据号（同步幂等去重锚点；唯一键待 IT 定键后升级）'),
    sa.Column('t_plus_id', sa.String(length=64), nullable=True, comment='T+ 系统内部标识'),
    sa.Column('sync_batch_no', sa.String(length=32), nullable=True, comment='同步批次号（同步模块写入）'),
    sa.Column('synced_at', sa.DateTime(), nullable=True, comment='最近同步时间'),
    sa.PrimaryKeyConstraint('id', name=op.f('pk_products')),
    sa.UniqueConstraint('product_name', 'spec_model', name='uk_products_name_spec'),
    comment='产品表（类别锚定折算阈值参数；T+同步不覆盖产品类别）',
    mysql_charset='utf8mb4',
    mysql_collate='utf8mb4_general_ci',
    mysql_engine='InnoDB'
    )
    op.create_index(op.f('idx_products_source_no'), 'products', ['source_no'], unique=False)
    op.create_table('ownership_change_logs',
    sa.Column('id', mysql.BIGINT(unsigned=True), autoincrement=True, nullable=False, comment='主键ID'),
    sa.Column('owner_type', mysql.TINYINT(), nullable=False, comment='归属类型：1客户归属 2业务归属'),
    sa.Column('customer_id', mysql.BIGINT(unsigned=True), nullable=True, comment='客户ID（固化，owner_type=1 时非空）'),
    sa.Column('business_id', mysql.BIGINT(unsigned=True), nullable=True, comment='业务ID（固化，owner_type=2 时非空）'),
    sa.Column('old_owner_personnel_id', mysql.BIGINT(unsigned=True), nullable=True, comment='变更前负责营销人员ID（固化）'),
    sa.Column('new_owner_personnel_id', mysql.BIGINT(unsigned=True), nullable=True, comment='变更后负责营销人员ID（固化）'),
    sa.Column('old_assistant_personnel_id', mysql.BIGINT(unsigned=True), nullable=True, comment='变更前协助营销人员ID（固化，仅业务归属使用）'),
    sa.Column('new_assistant_personnel_id', mysql.BIGINT(unsigned=True), nullable=True, comment='变更后协助营销人员ID（固化，仅业务归属使用）'),
    sa.Column('change_reason', sa.String(length=255), nullable=True, comment='变更原因'),
    sa.Column('operator_id', mysql.BIGINT(unsigned=True), nullable=True, comment='操作人ID（账号删除后置空）'),
    sa.Column('operator_name', sa.String(length=64), nullable=False, comment='操作人用户名（冗余固化）'),
    sa.Column('create_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False, comment='创建时间'),
    sa.ForeignKeyConstraint(['operator_id'], ['users.id'], name=op.f('fk_ownership_change_logs_operator_id'), ondelete='SET NULL'),
    sa.PrimaryKeyConstraint('id', name=op.f('pk_ownership_change_logs')),
    comment='归属变更记录表（append-only；客户/业务归属变更留痕，不回溯历史）',
    mysql_charset='utf8mb4',
    mysql_collate='utf8mb4_general_ci',
    mysql_engine='InnoDB'
    )
    op.create_index(op.f('idx_ownership_change_logs_customer_id'), 'ownership_change_logs', ['customer_id'], unique=False)
    op.create_index(op.f('idx_ownership_change_logs_business_id'), 'ownership_change_logs', ['business_id'], unique=False)
    op.create_index(op.f('idx_ownership_change_logs_create_time'), 'ownership_change_logs', ['create_time'], unique=False)
    op.create_table('personnel',
    sa.Column('id', mysql.BIGINT(unsigned=True), autoincrement=True, nullable=False, comment='主键ID'),
    sa.Column('personnel_name', sa.String(length=64), nullable=False, comment='姓名'),
    sa.Column('business_role_id', mysql.BIGINT(unsigned=True), nullable=False, comment='岗位角色ID（决定计提公式模板；T+同步不覆盖）'),
    sa.Column('manager_id', mysql.BIGINT(unsigned=True), nullable=True, comment='直属营销经理ID（NULL=经理本人或未分配；团队成员关系锚点）'),
    sa.Column('phone', sa.String(length=20), nullable=True, comment='联系电话'),
    sa.Column('hire_date', sa.Date(), nullable=True, comment='入职日期'),
    sa.Column('is_probation', mysql.TINYINT(), server_default='0', nullable=False, comment='是否试用期：1是 0否（试用期绩效照算不发放）'),
    sa.Column('salary_standard', sa.Numeric(precision=12, scale=2), nullable=True, comment='月工资标准（元；T+同步不覆盖）'),
    sa.Column('status', mysql.TINYINT(), server_default='1', nullable=False, comment='状态：1在职 0离职（离职人员不可再被业务/客户归属引用）'),
    sa.Column('remark', sa.String(length=255), nullable=True, comment='备注'),
    sa.Column('create_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False, comment='创建时间'),
    sa.Column('update_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'), nullable=False, comment='更新时间'),
    sa.Column('source_no', sa.String(length=64), nullable=True, comment='T+ 原始单据号（同步幂等去重锚点；唯一键待 IT 定键后升级）'),
    sa.Column('t_plus_id', sa.String(length=64), nullable=True, comment='T+ 系统内部标识'),
    sa.Column('sync_batch_no', sa.String(length=32), nullable=True, comment='同步批次号（同步模块写入）'),
    sa.Column('synced_at', sa.DateTime(), nullable=True, comment='最近同步时间'),
    sa.ForeignKeyConstraint(['business_role_id'], ['business_roles.id'], name=op.f('fk_personnel_business_role_id'), ondelete='RESTRICT'),
    sa.ForeignKeyConstraint(['manager_id'], ['personnel.id'], name=op.f('fk_personnel_manager_id'), ondelete='RESTRICT'),
    sa.PrimaryKeyConstraint('id', name=op.f('pk_personnel')),
    comment='营销人员表（T+同步不覆盖岗位与工资标准）',
    mysql_charset='utf8mb4',
    mysql_collate='utf8mb4_general_ci',
    mysql_engine='InnoDB'
    )
    op.create_index(op.f('idx_personnel_business_role_id'), 'personnel', ['business_role_id'], unique=False)
    op.create_index(op.f('idx_personnel_manager_id'), 'personnel', ['manager_id'], unique=False)
    op.create_index(op.f('idx_personnel_source_no'), 'personnel', ['source_no'], unique=False)
    op.create_table('customers',
    sa.Column('id', mysql.BIGINT(unsigned=True), autoincrement=True, nullable=False, comment='主键ID'),
    sa.Column('company_name', sa.String(length=128), nullable=False, comment='公司名称'),
    sa.Column('owner_name', sa.String(length=64), nullable=False, comment='客户负责人姓名（客户公司负责人的人名，非系统人员）'),
    sa.Column('contact_person', sa.String(length=64), nullable=True, comment='联系人'),
    sa.Column('contact_phone', sa.String(length=20), nullable=True, comment='联系电话'),
    sa.Column('address', sa.String(length=255), nullable=True, comment='地址'),
    sa.Column('industry', sa.String(length=64), nullable=True, comment='所属行业（自由文本）'),
    sa.Column('customer_type', sa.String(length=32), server_default='personal', nullable=False, comment='客户分类：personal个人户 manager_personal经理个人户 enterprise企业户（计提规则匹配锚点；T+同步不覆盖）'),
    sa.Column('owner_personnel_id', mysql.BIGINT(unsigned=True), nullable=True, comment='归属负责营销人员ID（手动修改不回溯历史，变更留痕见 ownership_change_logs）'),
    sa.Column('remark', sa.String(length=255), nullable=True, comment='备注'),
    sa.Column('create_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False, comment='创建时间'),
    sa.Column('update_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'), nullable=False, comment='更新时间'),
    sa.Column('source_no', sa.String(length=64), nullable=True, comment='T+ 原始单据号（同步幂等去重锚点；唯一键待 IT 定键后升级）'),
    sa.Column('t_plus_id', sa.String(length=64), nullable=True, comment='T+ 系统内部标识'),
    sa.Column('sync_batch_no', sa.String(length=32), nullable=True, comment='同步批次号（同步模块写入）'),
    sa.Column('synced_at', sa.DateTime(), nullable=True, comment='最近同步时间'),
    sa.ForeignKeyConstraint(['owner_personnel_id'], ['personnel.id'], name=op.f('fk_customers_owner_personnel_id'), ondelete='RESTRICT'),
    sa.PrimaryKeyConstraint('id', name=op.f('pk_customers')),
    sa.UniqueConstraint('company_name', 'owner_name', name='uk_customers_company_owner'),
    comment='客户表（公司名称+负责人为业务唯一标识；T+同步不覆盖客户分类）',
    mysql_charset='utf8mb4',
    mysql_collate='utf8mb4_general_ci',
    mysql_engine='InnoDB'
    )
    op.create_index(op.f('idx_customers_customer_type'), 'customers', ['customer_type'], unique=False)
    op.create_index(op.f('idx_customers_owner_personnel_id'), 'customers', ['owner_personnel_id'], unique=False)
    op.create_index(op.f('idx_customers_source_no'), 'customers', ['source_no'], unique=False)
    op.create_table('personnel_plans',
    sa.Column('id', mysql.BIGINT(unsigned=True), autoincrement=True, nullable=False, comment='主键ID'),
    sa.Column('personnel_id', mysql.BIGINT(unsigned=True), nullable=False, comment='人员ID（personnel.id）'),
    sa.Column('plan_period', sa.String(length=32), nullable=False, comment='计划期间（如 2026Q1、2026-05）'),
    sa.Column('plan_content', sa.String(length=500), nullable=False, comment='计划内容'),
    sa.Column('target_desc', sa.String(length=255), nullable=True, comment='指标说明（文字描述）'),
    sa.Column('source_no', sa.String(length=64), nullable=True, comment='T+ 原始条目号（预留）'),
    sa.Column('create_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False, comment='创建时间'),
    sa.Column('update_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'), nullable=False, comment='更新时间'),
    sa.ForeignKeyConstraint(['personnel_id'], ['personnel.id'], name=op.f('fk_personnel_plans_personnel_id'), ondelete='RESTRICT'),
    sa.PrimaryKeyConstraint('id', name=op.f('pk_personnel_plans')),
    comment='市场拓展计划表',
    mysql_charset='utf8mb4',
    mysql_collate='utf8mb4_general_ci',
    mysql_engine='InnoDB'
    )
    op.create_index(op.f('idx_personnel_plans_personnel_id'), 'personnel_plans', ['personnel_id'], unique=False)
    op.create_table('personnel_regions',
    sa.Column('id', mysql.BIGINT(unsigned=True), autoincrement=True, nullable=False, comment='主键ID'),
    sa.Column('personnel_id', mysql.BIGINT(unsigned=True), nullable=False, comment='人员ID（personnel.id）'),
    sa.Column('region_name', sa.String(length=128), nullable=False, comment='区域名称（产品辐射地理范围）'),
    sa.Column('remark', sa.String(length=255), nullable=True, comment='备注'),
    sa.Column('create_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False, comment='创建时间'),
    sa.Column('update_time', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'), nullable=False, comment='更新时间'),
    sa.ForeignKeyConstraint(['personnel_id'], ['personnel.id'], name=op.f('fk_personnel_regions_personnel_id'), ondelete='RESTRICT'),
    sa.PrimaryKeyConstraint('id', name=op.f('pk_personnel_regions')),
    comment='产品辐射区域表',
    mysql_charset='utf8mb4',
    mysql_collate='utf8mb4_general_ci',
    mysql_engine='InnoDB'
    )
    op.create_index(op.f('idx_personnel_regions_personnel_id'), 'personnel_regions', ['personnel_id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """回滚迁移。

    **注意（autogenerate 不会替你处理）**：生成的 `op.drop_index` 与
    `op.drop_table` 顺序需人工检查 —— 若某索引是外键的唯一支撑索引，
    单独 drop_index 会报 MySQL 1553（needed in a foreign key constraint）。
    **整表回滚应只保留 `op.drop_table`**，DROP TABLE 会连带删除索引与外键。
    """
    op.drop_table('personnel_regions')
    op.drop_table('personnel_plans')
    op.drop_table('customers')
    op.drop_table('personnel')
    op.drop_table('ownership_change_logs')
    op.drop_table('products')