package ocr

import (
	"encoding/xml"
	"go.digitalcircle.com.br/open/replaycli-go/api"
)

type AltoString struct {
	Text    string  `xml:",chardata"`
	ID      string  `xml:"ID,attr"`
	HPOS    int     `xml:"HPOS,attr"`
	VPOS    int     `xml:"VPOS,attr"`
	WIDTH   int     `xml:"WIDTH,attr"`
	HEIGHT  int     `xml:"HEIGHT,attr"`
	WC      float64 `xml:"WC,attr"`
	CONTENT string  `xml:"CONTENT,attr"`
}
type AltoSP struct {
	Text  string `xml:",chardata"`
	WIDTH int    `xml:"WIDTH,attr"`
	VPOS  int    `xml:"VPOS,attr"`
	HPOS  int    `xml:"HPOS,attr"`
}
type AltoTextLine struct {
	Text   string       `xml:",chardata"`
	ID     string       `xml:"ID,attr"`
	HPOS   string       `xml:"HPOS,attr"`
	VPOS   string       `xml:"VPOS,attr"`
	WIDTH  string       `xml:"WIDTH,attr"`
	HEIGHT string       `xml:"HEIGHT,attr"`
	String []AltoString `xml:"String"`
	SP     []AltoSP     `xml:"SP"`
}
type AltoTextBlock struct {
	Text     string         `xml:",chardata"`
	ID       string         `xml:"ID,attr"`
	HPOS     int            `xml:"HPOS,attr"`
	VPOS     int            `xml:"VPOS,attr"`
	WIDTH    int            `xml:"WIDTH,attr"`
	HEIGHT   int            `xml:"HEIGHT,attr"`
	TextLine []AltoTextLine `xml:"TextLine"`
}
type AltoComposedBlock struct {
	Text      string          `xml:",chardata"`
	ID        string          `xml:"ID,attr"`
	HPOS      int             `xml:"HPOS,attr"`
	VPOS      int             `xml:"VPOS,attr"`
	WIDTH     int             `xml:"WIDTH,attr"`
	HEIGHT    int             `xml:"HEIGHT,attr"`
	TextBlock []AltoTextBlock `xml:"TextBlock"`
}
type AltoPrintSpace struct {
	Text          string              `xml:",chardata"`
	HPOS          int                 `xml:"HPOS,attr"`
	VPOS          int                 `xml:"VPOS,attr"`
	WIDTH         int                 `xml:"WIDTH,attr"`
	HEIGHT        int                 `xml:"HEIGHT,attr"`
	ComposedBlock []AltoComposedBlock `xml:"ComposedBlock"`
}
type AltoPage struct {
	Text          string         `xml:",chardata"`
	WIDTH         int            `xml:"WIDTH,attr"`
	HEIGHT        int            `xml:"HEIGHT,attr"`
	PHYSICALIMGNR string         `xml:"PHYSICAL_IMG_NR,attr"`
	ID            string         `xml:"ID,attr"`
	PrintSpace    AltoPrintSpace `xml:"PrintSpace"`
}
type AltoDescription struct {
	Text                   string `xml:",chardata"`
	MeasurementUnit        string `xml:"MeasurementUnit"`
	SourceImageInformation struct {
		Text     string `xml:",chardata"`
		FileName string `xml:"fileName"`
	} `xml:"sourceImageInformation"`
	OCRProcessing struct {
		Text              string `xml:",chardata"`
		ID                string `xml:"ID,attr"`
		OcrProcessingStep struct {
			Text               string `xml:",chardata"`
			ProcessingSoftware struct {
				Text         string `xml:",chardata"`
				SoftwareName string `xml:"softwareName"`
			} `xml:"processingSoftware"`
		} `xml:"ocrProcessingStep"`
	} `xml:"OCRProcessing"`
}
type AltoLayout struct {
	Text string   `xml:",chardata"`
	Page AltoPage `xml:"Page"`
}
type Alto struct {
	XMLName        xml.Name        `xml:"alto"`
	Text           string          `xml:",chardata"`
	Xmlns          string          `xml:"xmlns,attr"`
	Xlink          string          `xml:"xlink,attr"`
	Xsi            string          `xml:"xsi,attr"`
	SchemaLocation string          `xml:"schemaLocation,attr"`
	Description    AltoDescription `xml:"Description"`
	Layout         AltoLayout      `xml:"Layout"`
}

func (a Alto) Strings() []AltoString {
	ret := make([]AltoString, 0)
	for _, v := range a.Layout.Page.PrintSpace.ComposedBlock {
		for _, v1 := range v.TextBlock {
			for _, v2 := range v1.TextLine {
				for _, v3 := range v2.String {
					ret = append(ret, v3)
				}
			}
		}
	}
	return ret
}

type Opts struct {
	Ver      string  `json:"ver,omitempty"`
	X        int     `json:"x"`
	Y        int     `json:"y"`
	H        int     `json:"h"`
	W        int     `json:"w"`
	Blur     float64 `json:"blur"`
	Sharpen  float64 `json:"sharpen"`
	Resizew  int     `json:"resizew"`
	Resizeh  int     `json:"resizeh"`
	Lang     string  `json:"lang"`
	Tempfile string  `json:"tempfile"`
	Dispid   int     `json:"d"`
	Gray     bool    `json:"gray"`
	Src      string  `json:"src"`
	Bytes    []byte  `json:"bytes"`
	AddRects bool    `json:"add_rects"`
}

type Cli struct {
	*api.ApiCli
}

func (c *Cli) OCR(opts *Opts) (*Alto, error) {
	res := &Alto{}
	err := c.HttpCli().JsonPost("/ocr", opts, res)
	return res, err
}

func NewCli() *Cli {
	ret := &Cli{ApiCli: api.NewApiIPCCli()}
	ret.ApiCli.HttpCli().SetBasePath("http://ocr/")
	return ret
}