const _ = require('lodash');
const dedent = require('dedent-tabs').default;

module.exports = {
	edge : (side = 'bottom')=>{
		let rotation;
		switch (side){
			case 'bottom': rotation = 0; break;
			case 'top'   : rotation = 180; break;
			case 'left'  : rotation = 90; break;
			case 'right' : rotation = 270; break;
		}
		return dedent`
			{{imageMaskEdge${_.random(1, 8)},--offset:0cm,--rotation:${rotation};
			  ![](https://i.imgur.com/GZfjDWV.png){height:100%}
			}}
			<!-- Use --offset to shift the edge up or down from the page center.
			     Use --rotation to set rotation angle in degrees. -->\n\n`;
	},

	corner : (y = 'top', x = 'left')=>{
		const offsetX = (x == 'left' ? '-50%' : '50%');
		const offsetY = (y == 'top'  ? '-50%' : '50%');
		return dedent`
			{{imageMaskCorner${_.random(1, 8)},--offsetX:${offsetX},--offsetY:${offsetY},--rotation:0
			  ![](https://i.imgur.com/GZfjDWV.png){height:100%}
			}}
			<!-- Use --offsetX to shift the mask left or right (you can use cm instead of %)
			     Use --offsetY to shift the mask up or down
			     Use --rotation to set rotation angle in degrees. -->\n\n`;
	}

};

()=>{

};