package facepp

import (
	"encoding/json"
	"fmt"
)

// SkinAnalyzeOptions 专业版请求参数。
type SkinAnalyzeOptions struct {
	ImageURL    string
	ImageBase64 string
	ImageFile   string
	ReturnMaps  string
	ReturnMarks string
}

type APIError struct {
	TimeUsed     int    `json:"time_used"`
	RequestID    string `json:"request_id"`
	ErrorMessage string `json:"error_message"`
}

func (e *APIError) Error() string {
	if e.RequestID == "" {
		return fmt.Sprintf("facepp: %s", e.ErrorMessage)
	}
	return fmt.Sprintf("facepp: %s (request_id=%s)", e.ErrorMessage, e.RequestID)
}

type SkinAnalyzeResponse struct {
	RequestID       string          `json:"request_id"`
	TimeUsed        int             `json:"time_used"`
	ErrorMessage    string          `json:"error_message"`
	ImageID         string          `json:"image_id"`
	FaceRectangle   FaceRectangle   `json:"face_rectangle"`
	Result          json.RawMessage `json:"result"`
	LeftSideResult  json.RawMessage `json:"left_side_result"`
	RightSideResult json.RawMessage `json:"right_side_result"`
	FaceMaps        FaceMaps        `json:"face_maps,omitempty"`
	Warning         []string        `json:"warning,omitempty"`
}

type FaceRectangle struct {
	Top    int `json:"top"`
	Left   int `json:"left"`
	Width  int `json:"width"`
	Height int `json:"height"`
}

type FlagResult struct {
	Value      int     `json:"value"`
	Confidence float64 `json:"confidence"`
}

type LocatedResult struct {
	Value      int     `json:"value"`
	Confidence float64 `json:"confidence"`
	Rect       []Rect  `json:"rect,omitempty"`
}

type Rect struct {
	Top    int `json:"top"`
	Left   int `json:"left"`
	Width  int `json:"width"`
	Height int `json:"height"`
}

type SkinTypeResult struct {
	SkinType int                   `json:"skin_type"`
	Details  map[string]FlagResult `json:"details"`
}

type DarkCircleResult struct {
	Value          int     `json:"value"`
	Confidence     float64 `json:"confidence"`
	DarkCircleType int     `json:"dark_circle_type"`
}

type SkinAgeResult struct {
	Value int `json:"value"`
}

type FineLineRegion struct {
	Count int     `json:"count"`
	Area  float64 `json:"area"`
}

type FineLineResult struct {
	Value    int            `json:"value"`
	Forehead FineLineRegion `json:"forehead"`
	UnderEye FineLineRegion `json:"under_eye"`
}

type FaceMaps struct {
	RedArea              string `json:"red_area,omitempty"`
	BrownArea            string `json:"brown_area,omitempty"`
	TextureEnhancedPores string `json:"texture_enhanced_pores,omitempty"`
	TextureEnhancedLines string `json:"texture_enhanced_lines,omitempty"`
}

type AnalyzeResult struct {
	SkinType        SkinTypeResult   `json:"skin_type"`
	OilyIntensity   FlagResult       `json:"oily_intensity"`
	SkinColor       FlagResult       `json:"skin_color"`
	SkinTone        FlagResult       `json:"skin_tone"`
	Sensitivity     FlagResult       `json:"sensitivity"`
	ClosedComedones LocatedResult    `json:"closed_comedones"`
	Blackhead       FlagResult       `json:"blackhead"`
	BlackheadCount  int              `json:"blackhead_count"`
	Mole            LocatedResult    `json:"mole"`
	SkinSpot        LocatedResult    `json:"skin_spot"`
	Acne            LocatedResult    `json:"acne"`
	DarkCircle      DarkCircleResult `json:"dark_circle"`
	EyePouch        FlagResult       `json:"eye_pouch"`
	ForeheadWrinkle FlagResult       `json:"forehead_wrinkle"`
	CrowsFeet       FlagResult       `json:"crows_feet"`
	EyeFinelines    FlagResult       `json:"eye_finelines"`
	GlabellaWrinkle FlagResult       `json:"glabella_wrinkle"`
	NasolabialFold  FlagResult       `json:"nasolabial_fold"`
	PoresForehead   FlagResult       `json:"pores_forehead"`
	PoresLeftCheek  FlagResult       `json:"pores_left_cheek"`
	PoresRightCheek FlagResult       `json:"pores_right_cheek"`
	PoresJaw        FlagResult       `json:"pores_jaw"`
	SkinAge         SkinAgeResult    `json:"skin_age"`
	FineLine        FineLineResult   `json:"fine_line"`
	Melanin         FlagResult       `json:"melanin"`
}