package wpdf

import "gogs.mikescher.com/BlackForestBytes/goext/langext"

type PDFCellOpt struct {
	width             *float64
	height            *float64
	border            *PDFBorder
	ln                *PDFTextBreak
	align             *PDFTextAlign
	fill              *bool
	link              *int
	linkStr           *string
	fontNameOverride  *PDFFontFamily
	fontStyleOverride *PDFFontStyle
	fontSizeOverride  *float64
	extraLn           *float64
	x                 *float64
	autoWidth         *bool
}

func NewPDFCellOpt() *PDFCellOpt {
	return &PDFCellOpt{}
}

func (opt *PDFCellOpt) Width(v float64) *PDFCellOpt {
	opt.width = &v
	return opt
}

func (opt *PDFCellOpt) Height(v float64) *PDFCellOpt {
	opt.height = &v
	return opt
}

func (opt *PDFCellOpt) Border(v PDFBorder) *PDFCellOpt {
	opt.border = &v
	return opt
}

func (opt *PDFCellOpt) LnPos(v PDFTextBreak) *PDFCellOpt {
	opt.ln = &v
	return opt
}

func (opt *PDFCellOpt) Align(v PDFTextAlign) *PDFCellOpt {
	opt.align = &v
	return opt
}

func (opt *PDFCellOpt) FillBackground(v bool) *PDFCellOpt {
	opt.fill = &v
	return opt
}

func (opt *PDFCellOpt) Link(v int) *PDFCellOpt {
	opt.link = &v
	return opt
}

func (opt *PDFCellOpt) LinkStr(v string) *PDFCellOpt {
	opt.linkStr = &v
	return opt
}

func (opt *PDFCellOpt) Font(fontName PDFFontFamily, fontStyle PDFFontStyle, fontSize float64) *PDFCellOpt {
	opt.fontNameOverride = &fontName
	opt.fontStyleOverride = &fontStyle
	opt.fontSizeOverride = &fontSize
	return opt
}

func (opt *PDFCellOpt) FontName(v PDFFontFamily) *PDFCellOpt {
	opt.fontNameOverride = &v
	return opt
}

func (opt *PDFCellOpt) FontStyle(v PDFFontStyle) *PDFCellOpt {
	opt.fontStyleOverride = &v
	return opt
}

func (opt *PDFCellOpt) FontSize(v float64) *PDFCellOpt {
	opt.fontSizeOverride = &v
	return opt
}

func (opt *PDFCellOpt) Bold() *PDFCellOpt {
	opt.fontStyleOverride = langext.Ptr(Bold)
	return opt
}

func (opt *PDFCellOpt) Italic() *PDFCellOpt {
	opt.fontStyleOverride = langext.Ptr(Italic)
	return opt
}

func (opt *PDFCellOpt) LnAfter(v float64) *PDFCellOpt {
	opt.extraLn = &v
	return opt
}

func (opt *PDFCellOpt) X(v float64) *PDFCellOpt {
	opt.x = &v
	return opt
}

func (opt *PDFCellOpt) AutoWidth() *PDFCellOpt {
	opt.autoWidth = langext.PTrue
	return opt
}

func (b *WPDFBuilder) Cell(txt string, opts ...*PDFCellOpt) {

	txtTR := b.tr(txt)

	width := float64(0)
	height := b.cellHeight + b.cellSpacing
	border := BorderNone
	ln := BreakToNextLine
	align := AlignLeft
	fill := false
	link := 0
	linkStr := ""
	var fontNameOverride *PDFFontFamily
	var fontStyleOverride *PDFFontStyle
	var fontSizeOverride *float64
	extraLn := float64(0)
	var x *float64
	autoWidth := false

	for _, opt := range opts {
		width = langext.Coalesce(opt.width, width)
		height = langext.Coalesce(opt.height, height)
		border = langext.Coalesce(opt.border, border)
		ln = langext.Coalesce(opt.ln, ln)
		align = langext.Coalesce(opt.align, align)
		fill = langext.Coalesce(opt.fill, fill)
		link = langext.Coalesce(opt.link, link)
		linkStr = langext.Coalesce(opt.linkStr, linkStr)
		fontNameOverride = langext.CoalesceOpt(opt.fontNameOverride, fontNameOverride)
		fontStyleOverride = langext.CoalesceOpt(opt.fontStyleOverride, fontStyleOverride)
		fontSizeOverride = langext.CoalesceOpt(opt.fontSizeOverride, fontSizeOverride)
		extraLn = langext.Coalesce(opt.extraLn, extraLn)
		x = langext.CoalesceOpt(opt.x, x)
		autoWidth = langext.Coalesce(opt.autoWidth, autoWidth)
	}

	if fontNameOverride != nil || fontStyleOverride != nil || fontSizeOverride != nil {
		oldFontName := b.fontName
		oldFontStyle := b.fontStyle
		oldFontSize := b.fontSize
		newFontName := langext.Coalesce(fontNameOverride, oldFontName)
		newFontStyle := langext.Coalesce(fontStyleOverride, oldFontStyle)
		newFontSize := langext.Coalesce(fontSizeOverride, oldFontSize)
		b.SetFont(newFontName, newFontStyle, newFontSize)
		defer func() { b.SetFont(oldFontName, oldFontStyle, oldFontSize) }()
	}

	if x != nil {
		b.b.SetX(*x)
	}

	if autoWidth {
		width = b.b.GetStringWidth(txtTR)
	}

	b.b.CellFormat(width, height, txtTR, string(border), int(ln), string(align), fill, link, linkStr)

	if extraLn != 0 {
		b.b.Ln(extraLn)
	}
}