package contracts

import (
	"reflect"

	"git.fsdpf.net/go/db"
	"git.fsdpf.net/go/db/schema"
)

type ResDataType string
type ResConditionType string
type ResConditionTokenType string
type ResConditionOperator string
type ResAuthDB int

type QueryDataType string

const (
	// 关闭权限过滤
	ResAuthOff ResAuthDB = iota
	// 开启权限过滤, 不包括关联资源
	ResAuthOn
	// 开启权限过滤, 包括关联资源
	ResAuthAll
)

const (
	ResDataType_String       ResDataType = "string"
	ResDataType_Text         ResDataType = "text"
	ResDataType_Integer      ResDataType = "integer"
	ResDataType_SmallInteger ResDataType = "smallInteger"
	ResDataType_Decimal      ResDataType = "decimal"
	ResDataType_Boolean      ResDataType = "boolean"
	ResDataType_Json         ResDataType = "json"
	ResDataType_Enum         ResDataType = "enum"
	ResDataType_Timestamp    ResDataType = "timestamp"
	ResDataType_Date         ResDataType = "date"
	ResDataType_Datetime     ResDataType = "dateTime"
)

const (
	QueryDataType_Number  QueryDataType = "number"
	QueryDataType_Integer QueryDataType = "integer"
	QueryDataType_Float   QueryDataType = "float"
	QueryDataType_String  QueryDataType = "string"
	QueryDataType_Bool    QueryDataType = "bool"
	QueryDataType_Array   QueryDataType = "array"
	QueryDataType_Json    QueryDataType = "json"
)

const (
	QueryField_IsExpr = 1 << iota
	QueryField_IsOmitempty
	QueryField_Ignored
)

type Resource interface {
	GetUuid() string
	GetName() string
	GetCode() string
	GetPrimarykey() string
	GetFields() []ResField
	GetField(string) (ResField, bool)
	HasField(string) bool

	BeginTransaction() (*db.Transaction, error)

	GetTable() db.Expression
	GetDBConn() *db.Connection
	GetDBBuilder() *db.Builder
	GetDBTable(params ...any) *db.Builder
	GetAuthDBTable(u User, params ...any) *db.Builder
	GetStruct(extends ...reflect.StructField) any
	GetSliceStruct(extends ...reflect.StructField) any

	WithRolesCondition(b *db.Builder, t string, u User) error

	// 是否虚拟资源
	IsVirtual() bool
	// 是否系统资源
	IsSystem() bool
}

type ResField interface {
	GetName() string
	GetCode() string
	GetCodeResource() string
	GetDataType() ResDataType
	GetQueryDataType() QueryDataType
	GetRawDefault(driver string) db.Expression
	ToStructField(tags ...string) reflect.StructField
	ToValue(any) any
	ToBlueprint(table *schema.Blueprint) *schema.ColumnDefinition
	ToQueryField(t QueryDataType, alias string, options int) QueryField
}

type QueryField interface {
	ResField
	Type() QueryDataType
	Alias() string
	GetCodeOrAlias() string
	IsExpr() bool
	IsOmitempty() bool
	Ignored() bool
	SetOptions(int) QueryField
	ToSql() db.Expression
	ToStructField(tags ...string) reflect.StructField
}

// 资源
type GetResource func(code string) (Resource, bool)