// Package main is a function demo
package main

import (
	"flag"
	"fmt"
	"os"

	"github.com/fumiama/docxlib"
)

func main() {
	fileLocation := flag.String("f", "new-file.docx", "file location")
	analyzeOnly := flag.Bool("a", false, "analyze file only")
	verbose := flag.Bool("v", false, "verbose mode")
	unm := flag.Bool("u", false, "lease unmarshalled file")
	flag.Parse()
	var w *docxlib.Docx
	if !*analyzeOnly {
		fmt.Printf("Preparing new document to write at %s\n", *fileLocation)

		w = docxlib.NewA4()
		// add new paragraph
		para1 := w.AddParagraph().Justification("distribute")
		r, err := para1.AddAnchorDrawingFrom("testdata/fumiama.JPG")
		if err != nil {
			panic(err)
		}
		r.Drawing.Anchor.Size(r.Drawing.Anchor.Extent.CX/4, r.Drawing.Anchor.Extent.CY/4)
		r.Drawing.Anchor.BehindDoc = 1
		r.Drawing.Anchor.PositionH.PosOffset = r.Drawing.Anchor.Extent.CX
		r.Drawing.Anchor.Graphic.GraphicData.Pic.BlipFill.Blip.AlphaModFix = &docxlib.AAlphaModFix{Amount: 50000}
		// add text
		para1.AddText("test")
		para1.AddText("test font size").Size("44")
		para1.AddText("test color").Color("808080")

		para2 := w.AddParagraph().Justification("end")
		para2.AddText("test font size and color").Size("44").Color("ff0000")

		nextPara := w.AddParagraph()
		nextPara.AddLink("google", `http://google.com`)

		para3 := w.AddParagraph().Justification("center")
		// add text
		para3.AddText("一行2个 inline").Size("44")

		para4 := w.AddParagraph().Justification("center")
		r, err = para4.AddInlineDrawingFrom("testdata/fumiama.JPG")
		if err != nil {
			panic(err)
		}
		r.Drawing.Inline.Size(r.Drawing.Inline.Extent.CX*4/5, r.Drawing.Inline.Extent.CY*4/5)
		para4.AddTab().AddTab()
		r, err = para4.AddInlineDrawingFrom("testdata/fumiama2x.webp")
		if err != nil {
			panic(err)
		}
		r.Drawing.Inline.Size(r.Drawing.Inline.Extent.CX*4/5, r.Drawing.Inline.Extent.CY*4/5)

		para5 := w.AddParagraph().Justification("center")
		// add text
		para5.AddText("一行1个 横向 inline").Size("44")

		para6 := w.AddParagraph()
		_, err = para6.AddInlineDrawingFrom("testdata/fumiamayoko.png")
		if err != nil {
			panic(err)
		}

		tbl1 := w.AddTable(3, 2)
		for x, r := range tbl1.TableRows {
			for y, c := range r.TableCells {
				c.AddParagraph().Justification("center").AddText(fmt.Sprintf("(%d, %d)", x, y))
			}
		}
		f, err := os.Create(*fileLocation)
		if err != nil {
			panic(err)
		}
		_, err = w.WriteTo(f)
		if err != nil {
			panic(err)
		}
		err = f.Close()
		if err != nil {
			panic(err)
		}
		fmt.Println("Document writen. \nNow trying to read it")
	}

	// Now let's try to read the file
	readFile, err := os.Open(*fileLocation)
	if err != nil {
		panic(err)
	}
	fileinfo, err := readFile.Stat()
	if err != nil {
		panic(err)
	}
	size := fileinfo.Size()
	doc, err := docxlib.Parse(readFile, size)
	if err != nil {
		panic(err)
	}
	if *verbose {
		for _, it := range doc.Document.Body.Items {
			switch para := it.(type) {
			case docxlib.Paragraph:
				fmt.Println("New paragraph")
				for _, child := range para.Children {
					switch o := child.(type) {
					case *docxlib.Run:
						if o.Text != nil {
							fmt.Printf("\tWe've found a new run with the text ->%s\n", o.Text.Text)
						}
						if o.Drawing != nil {
							if o.Drawing.Inline != nil {
								fmt.Printf("\tWe've found a new run with the inline drawing ->%s\n", o.Drawing.Inline.DocPr.Name)
							}
							if o.Drawing.Anchor != nil {
								fmt.Printf("\tWe've found a new run with the anchor drawing ->%s\n", o.Drawing.Anchor.DocPr.Name)
							}
						}
					case *docxlib.Hyperlink:
						id := o.ID
						text := o.Run.InstrText
						link, err := doc.ReferTarget(id)
						if err != nil {
							fmt.Printf("\tWe found a link with id %s and text %s without target\n", id, text)
						} else {
							fmt.Printf("\tWe've found a new hyperlink with ref %s and the text %s\n", link, text)
						}
					}
				}
				fmt.Print("End of paragraph\n\n")
			case docxlib.WTable:
				fmt.Println("New table")
				for x, r := range para.TableRows {
					fmt.Printf("[%d] ", x)
					for y, c := range r.TableCells {
						fmt.Printf("<%d> %s\t", y, c.Paragraphs[0].Children[0].(*docxlib.Run).Text.Text)
					}
					fmt.Print("\n")
				}
				fmt.Print("End of table\n\n")
			}

		}

	}
	if *unm {
		f, err := os.Create("unmarshal_" + *fileLocation)
		if err != nil {
			panic(err)
		}
		_, err = doc.WriteTo(f)
		if err != nil {
			panic(err)
		}
		err = f.Close()
		if err != nil {
			panic(err)
		}
	}
	fmt.Println("Plain text:")
	for _, it := range doc.Document.Body.Items {
		switch para := it.(type) {
		case docxlib.Paragraph:
			fmt.Println(para.String())
		case docxlib.WTable:
			fmt.Println("------------------------------")
			for x, r := range para.TableRows {
				fmt.Printf("[%d] ", x)
				for y, c := range r.TableCells {
					if len(c.Paragraphs) > 0 && len(c.Paragraphs[0].Children) > 0 {
						fmt.Printf("<%d> %s\t", y, c.Paragraphs[0].Children[0].(*docxlib.Run).Text.Text)
					} else {
						fmt.Print("\t")
					}
				}
				fmt.Print("\n")
			}
			fmt.Println("------------------------------")
		}

	}
	fmt.Println("End of main")
}