/**
 * @file displayWrapper.cpp
 * @author Alexander Klein (alex@kleiax.de)
 * @brief Contains the implementation of the class LcdWrapper
 * @version 0.1
 * @date 2023-01-08
 * 
 * @copyright Copyright (c) 2023
 * 
 */

#include "LcdWrapper.h"

LcdWrapper::LcdWrapper(LiquidCrystal_I2C* lcd) {
    this->lcd = lcd;
    this->clear();
    this->changed = false;
}

void LcdWrapper::run() {
    if (!this->changed)
        return;

    this->lcd->clear();
    for (uint8_t i = 0; i < LcdWrapper::totalLines; i++) {
        this->lcd->setCursor(0, i);
        this->lcd->print(this->data[i]);
    }
    
    if (this->callback)
        this->callback(this->data, LcdWrapper::totalLines, LcdWrapper::totalRows);

    this->changed = false;
}

void LcdWrapper::clear() {
    for (uint8_t i = 0; i < LcdWrapper::totalLines; i++) {
        for (uint8_t j = 0; j < LcdWrapper::totalRows; j++) {
            data[i][j] = ' ';
        }
    }
    this->changed = true;
}

void LcdWrapper::setCursor(uint8_t row, uint8_t line) {
    if (row > LcdWrapper::totalRows - 1)
        row = LcdWrapper::totalRows - 1;

    if (line > LcdWrapper::totalLines - 1)
        line = LcdWrapper::totalLines - 1;

    this->cursorRow = row;
    this->cursorLine = line;
}

void LcdWrapper::print(const char *str) {
    uint8_t inputStringPosition = 0;
    for (uint8_t i = this->cursorRow; i < LcdWrapper::totalRows; i++) {
        if (str[inputStringPosition] == '\0')
            break;
        else
            this->data[this->cursorLine][i] = str[inputStringPosition];
        inputStringPosition++;
    }
    this->changed = true;
}