package com.printer.sdk.serial
data class TextPrintable private constructor(val text: String,
                                             val fontSize: Byte,
                                             val alignment: Byte,
                                             val newLinesAfter: Int,
                                             val bold: Byte,
                                             val underlined: Byte,
                                             val characterCode: Byte,
                                             val lineSpacing: Byte,
                                             val customConverter: Converter?) : Printable {

    override fun getPrintableByteArray(printer: Printer): List<ByteArray> {
        val operations = mutableListOf(
            printer.justificationCommand.plus(alignment),
            printer.fontSizeCommand.plus(fontSize),
            printer.emphasizedModeCommand.plus(bold),
            printer.underlineModeCommand.plus(underlined),
            printer.characterCodeCommand.plus(characterCode),
            printer.lineSpacingCommand.plus(lineSpacing)
        )

        customConverter?.let {
            operations.add(it.toByteArray(text))
        } ?: run {
            operations.add(printer.converter.toByteArray(text))
        }

        if (newLinesAfter > 0) {
            operations.add(printer.feedLineCommand.plus(newLinesAfter.toByte()))
        }

        return operations
    }

    class Builder {
        private var text = ""
        private var fontSize = DefaultPrinter.FONT_SIZE_NORMAL
        private var alignment: Byte = DefaultPrinter.ALIGNMENT_LEFT
        private var newLinesAfter = 0
        private var bold: Byte = DefaultPrinter.EMPHASIZED_MODE_NORMAL
        private var underlined: Byte = DefaultPrinter.UNDERLINED_MODE_OFF
        private var characterCode: Byte = DefaultPrinter.CHARCODE_PC437
        private var lineSpacing: Byte = DefaultPrinter.LINE_SPACING_30
        private var customConverter: Converter? = null

        fun setText(text: String): Builder {
            this.text = text
            return this
        }

        fun setFontSize(fontSize: Byte): Builder {
            this.fontSize = fontSize
            return this
        }

        fun setAlignment(alignment: Byte): Builder {
            this.alignment = alignment
            return this
        }

        fun setNewLinesAfter(lines: Int): Builder {
            this.newLinesAfter = lines
            return this
        }

        fun setEmphasizedMode(mode: Byte): Builder {
            this.bold = mode
            return this
        }

        fun setUnderlined(mode: Byte): Builder {
            this.underlined = mode
            return this
        }

        fun setCharacterCode(characterCode: Byte): Builder {
            this.characterCode = characterCode
            return this
        }

        fun setLineSpacing(lineSpacing: Byte): Builder {
            this.lineSpacing = lineSpacing
            return this
        }

        fun setCustomConverter(converter: Converter): Builder {
            this.customConverter = converter
            return this
        }

        fun build(): Printable {
            return TextPrintable(text, fontSize, alignment, newLinesAfter, bold, underlined, characterCode, lineSpacing, customConverter)
        }
    }

}