package model

import (
	"math"
	"time"

	"go.mongodb.org/mongo-driver/bson/primitive"
)

const (
	MatType_2D     = 3
	MatType_Color  = 0
	MatType_Effect = 2
	MatType_Fabric = 1
)

//2D 面料
type Mat2d struct {
	Image *OssType `bson:"image,omitempty" json:"image"`
	Name  string   `bson:"name,omitempty" json:"name"`
	// Uvtransform *Uvtransform `bson:"uv,omitempty" json:"uv"`
}

type ImageMat struct {
	Id         primitive.ObjectID `bson:"_id,omitempty" json:"_id"`
	UserId     primitive.ObjectID `bson:"userId,omitempty" json:"userId"`
	Image      *OssType           `bson:"image,omitempty" json:"image"`
	Thumbnail  *OssType           `bson:"thumbnail,omitempty" json:"thumbnail"`
	Name       string             `bson:"name,omitempty" json:"name"`
	CreateTime time.Time          `bson:"createTime,omitempty" json:"createTime"`
	Category   string             `bson:"category,omitempty" json:"category"`
	Category2  string             `bson:"category2,omitempty" json:"category2"`

	IsPublic *bool `bson:"isPublic,omitempty" json:"isPublic"`
	Platform *bool `bson:"platform,omitempty" json:"platform"` //是否属于平台

	ColorCards []*Mat2d `bson:"colorCards,omitempty" json:"colorCards"` //2D面料
	Categories []string `bson:"categories,omitempty" json:"categories"` //目录列表
	State      int32    `bson:"state,omitempty" json:"state"`
}

type MaterialHeader struct {
	MatId       primitive.ObjectID `bson:"matId,omitempty" json:"matId"` //材质球Id
	Thumbnail   *OssType           `bson:"thumbnail,omitempty" json:"thumbnail"`
	Name        string             `bson:"name,omitempty" json:"name"`
	BaseMap     *OssType           `bson:"baseMap,omitempty" json:"baseMap"`
	NormalMap   *OssType           `bson:"normalMap,omitempty" json:"normalMap"`
	RoughMap    *OssType           `bson:"roughMap,omitempty" json:"roughMap"`
	MetalMap    *OssType           `bson:"metalMap,omitempty" json:"metalMap"`
	Uvtransform *MaterailUv        `bson:"uv,omitempty" json:"uv"`
}

const MIN = 0.0001

// MIN 为用户自定义的比较精度
func IsEqualFloat32(f1, f2 float32) bool {
	return math.Dim(float64(f1), float64(f2)) < MIN
}
func IsEqualFloat64(f1, f2 float64) bool {
	return math.Dim(f1, f2) < MIN
}

func (mat *MaterialHeader) IsEqual(mat2 *MaterialHeader) bool {

	changed := false
	if mat.BaseMap == nil || mat2.BaseMap == nil {
		changed = changed || mat.BaseMap != mat2.BaseMap
	} else {
		changed = changed || mat.BaseMap.Url != mat2.BaseMap.Url
	}

	if mat.NormalMap == nil || mat2.NormalMap == nil {
		changed = changed || mat.NormalMap != mat2.NormalMap
	} else {
		changed = changed || mat.NormalMap.Url != mat2.NormalMap.Url
	}
	if mat.RoughMap == nil || mat2.RoughMap == nil {
		changed = changed || mat.RoughMap != mat2.RoughMap
	} else {
		changed = changed || mat.RoughMap.Url != mat2.RoughMap.Url
	}
	if mat.MetalMap == nil || mat2.MetalMap == nil {
		changed = changed || mat.MetalMap != mat2.MetalMap
	} else {
		changed = changed || mat.MetalMap.Url != mat2.MetalMap.Url
	}
	if changed {
		return false
	}

	if mat.Uvtransform == nil || mat2.Uvtransform == nil {
		changed = mat2.Uvtransform == nil
	} else {
		changed = changed || !IsEqualFloat64(mat.Uvtransform.OffsetX, mat2.Uvtransform.OffsetX) ||
			!IsEqualFloat64(mat.Uvtransform.Scale, mat2.Uvtransform.Scale) ||
			!IsEqualFloat64(mat.Uvtransform.Rotate, mat2.Uvtransform.Rotate)
	}
	return !changed
}

type Fabric struct {
	Id         primitive.ObjectID `bson:"_id,omitempty" json:"_id"`
	UserId     primitive.ObjectID `bson:"userId,omitempty" json:"userId"`
	Name       string             `bson:"name,omitempty" json:"name"`
	Thumbnail  *OssType           `bson:"thumbnail,omitempty" json:"thumbnail"`
	CreateTime time.Time          `bson:"createTime,omitempty" json:"createTime"`
	Category   string             `bson:"category,omitempty" json:"category"`
	Category2  string             `bson:"category2,omitempty" json:"category2"`
	IsPublic   *bool              `bson:"isPublic,omitempty" json:"isPublic"`
	Price      float32            `bson:"price,omitempty" json:"price"`
	ColorCards []*MaterialHeader  `bson:"colorCards,omitempty" json:"colorCards"`
	Platform   *bool              `bson:"platform,omitempty" json:"platform"`
	Categories []string           `bson:"categories,omitempty" json:"categories"`
	State      int32              `bson:"state,omitempty" json:"state"`
}