package business

import (
	"gorm.io/gorm"
	"kra/pkg/database/migration"
)

func Migrations() []migration.Step {
	return []migration.Step{{ID: "202611030003_business_bindings", Migrate: func(db *gorm.DB) error {
		return migration.CreateMissingTables(db, &bindingPO{})
	}}, {ID: "202611030001_business_preference", Migrate: func(db *gorm.DB) error {
		// 旧表沿用；已迁移数据库不重建或重置用户偏好。
		if err := migration.CreateMissingTables(db, &preferencePO{}); err != nil {
			return err
		}
		if !db.Migrator().HasTable("sys_authorities") || !db.Migrator().HasTable("casbin_rule") {
			return nil
		}
		return db.Transaction(func(tx *gorm.DB) error {
			// 两个接口仅操作当前身份，旧系统对所有已登录用户开放。
			for _, method := range []string{"GET", "PUT"} {
				if err := tx.Exec(`INSERT INTO casbin_rule (ptype,v0,v1,v2,v3,v4,v5)
					SELECT 'p', a.authority_id, ?, ?, '', '', '' FROM sys_authorities a
					WHERE a.deleted_at IS NULL AND NOT EXISTS (
						SELECT 1 FROM casbin_rule p WHERE p.ptype='p' AND p.v0=a.authority_id AND p.v1=? AND p.v2=?)`,
					"/sw/user/preference", method, "/sw/user/preference", method).Error; err != nil {
					return err
				}
			}
			return nil
		})
	}}}
}