package req

import (
	"reflect"

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

type ResDataType string
type ResAuthDB int

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 (
	ResString       ResDataType = "string"
	ResText         ResDataType = "text"
	ResInteger      ResDataType = "integer"
	ResSmallInteger ResDataType = "smallInteger"
	ResDecimal      ResDataType = "decimal"
	ResBoolean      ResDataType = "boolean"
	ResJson         ResDataType = "json"
	ResEnum         ResDataType = "enum"
	ResTimestamp    ResDataType = "timestamp"
	ResDate         ResDataType = "date"
	ResDatetime     ResDataType = "dateTime"
)

const (
	IsExpr byte = 1 << iota
	IsOmitempty
	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() RouteParamType
	GetRawDefault(driver string) db.Expression
	ToStructField(tags ...string) reflect.StructField
	ToValue(any) any
	ToBlueprint(table *schema.Blueprint) *schema.ColumnDefinition
	ToQueryField(t RouteParamType, alias string, options byte) QueryField
}

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