import { RenderedGrid } from "./renderGrid";
import colors from "open-color";

export default function drawGrid(
  ctx: CanvasRenderingContext2D,
  grid: RenderedGrid,
) {
  ctx.clearRect(0, 0, grid.rect.width, grid.rect.height);

  ctx.fillStyle = colors.gray[8];
  ctx.fillRect(0, 0, grid.rect.width, grid.rect.height);

  ctx.strokeStyle = colors.gray[7];

  grid.renderedRows.forEach((row, renderedRowIndex) => {
    const isLastRow = renderedRowIndex === grid.renderedRows.length - 1;

    row.renderedCells.forEach((cell, cellIndex) => {
      const { topLeft, width, height } = cell.rect;
      const isLastCell = cellIndex === row.renderedCells.length - 1;

      ctx.strokeRect(
        topLeft.x + 0.5,
        topLeft.y + 0.5,
        isLastCell ? width - 1 : width,
        isLastRow ? height - 1 : height,
      );
    });
  });
}