/**
 * Created by Tony on 2018/6/27.
 * 报表直接打印需要
 */

let JV = require('../rpt_component/jpc_value_define');
const SCREEN_DPI = [96,96];

module.exports = {
    exportSvgStr: function (pagesData, callback) {
        let styles = pagesData[JV.NODE_STYLE_COLLECTION],
            fonts = pagesData[JV.NODE_FONT_COLLECTION],
            controls = pagesData[JV.NODE_CONTROL_COLLECTION]
        ;
        for (let page of pagesData.items) {
            let svgPageArr = [], pixelSize = getPixelSize(pagesData);
            svgPageArr.push("<svg width='" + pixelSize[0] + "' height='" + pixelSize[1] + "'>");
            for (let cell of page.cells) {
                svgPageArr.push(buildCellSvg(cell, fonts, styles, controls, page[JV.PROP_PAGE_MERGE_BORDER]));
            }
            svgPageArr.push("</svg>");
        }
    }
}

function buildCellSvg(cell, fonts, styles, controls, mergeBorder) {
    let rst = [];
    let style = styles[cell[JV.PROP_STYLE]];
    if (style) {
        if (style[JV.PROP_LEFT] && parseFloat(style[JV.PROP_LEFT][JV.PROP_LINE_WEIGHT]) > 0) {
            rst.push("<line x1='" + cell[JV.PROP_AREA][JV.PROP_LEFT] + "' y1='" + cell[JV.PROP_AREA][JV.PROP_TOP] +
                "' x2='" + cell[JV.PROP_AREA][JV.PROP_LEFT] + "' y2='" + cell[JV.PROP_AREA][JV.PROP_BOTTOM] +
                "' style='stroke:rgb(0,0,0);stroke-width:1'/>")
        }
        if (style[JV.PROP_RIGHT] && parseFloat(style[JV.PROP_RIGHT][JV.PROP_LINE_WEIGHT]) > 0) {
            rst.push("<line x1='" + cell[JV.PROP_AREA][JV.PROP_RIGHT] + "' y1='" + cell[JV.PROP_AREA][JV.PROP_TOP] +
                "' x2='" + cell[JV.PROP_AREA][JV.PROP_RIGHT] + "' y2='" + cell[JV.PROP_AREA][JV.PROP_BOTTOM] +
                "' style='stroke:rgb(0,0,0);stroke-width:1'/>")
        }
        if (style[JV.PROP_TOP] && parseFloat(style[JV.PROP_TOP][JV.PROP_LINE_WEIGHT]) > 0) {
            rst.push("<line x1='" + cell[JV.PROP_AREA][JV.PROP_LEFT] + "' y1='" + cell[JV.PROP_AREA][JV.PROP_TOP] +
                "' x2='" + cell[JV.PROP_AREA][JV.PROP_RIGHT] + "' y2='" + cell[JV.PROP_AREA][JV.PROP_TOP] +
                "' style='stroke:rgb(0,0,0);stroke-width:1'/>")
        }
        if (style[JV.PROP_BOTTOM] && parseFloat(style[JV.PROP_BOTTOM][JV.PROP_LINE_WEIGHT]) > 0) {
            rst.push("<line x1='" + cell[JV.PROP_AREA][JV.PROP_LEFT] + "' y1='" + cell[JV.PROP_AREA][JV.PROP_BOTTOM] +
                "' x2='" + cell[JV.PROP_AREA][JV.PROP_RIGHT] + "' y2='" + cell[JV.PROP_AREA][JV.PROP_BOTTOM] +
                "' style='stroke:rgb(0,0,0);stroke-width:1'/>")
        }
    }
    let font = cell[JV.PROP_FONT];
    if (typeof font === 'string') {
        font = fonts[cell[JV.PROP_FONT]];
    }
    let fontsize = parseInt(font[JV.FONT_PROPS[JV.FONT_PROP_IDX_HEIGHT]]);
    let left = parseInt(cell[JV.PROP_AREA][JV.PROP_LEFT]),
        right = parseInt(cell[JV.PROP_AREA][JV.PROP_RIGHT]),
        top = parseInt(cell[JV.PROP_AREA][JV.PROP_TOP]),
        bottom = parseInt(cell[JV.PROP_AREA][JV.PROP_BOTTOM]),
        x = left, y = top,
        text_anchor = "start"
    ;
    let control = controls[cell[JV.PROP_CONTROL]];
    if (control) {
        if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_HORIZON]] === "left") {
            text_anchor = "start";
            x = left + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_LEFT];
        } else if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_HORIZON]] === "right") {
            text_anchor = "end";
            x = right - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT];
        } else if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_HORIZON]] === "center") {
            text_anchor = "middle";
            x = Math.round((left + right) / 2);
        }
        if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_VERTICAL]] === "top") {
            y = top + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP];
        } else if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_VERTICAL]] === "bottom") {
            y = bottom - fontsize - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM];
        } else if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_VERTICAL]] === "center") {
            y = Math.round((top + bottom + fontsize) / 2 );
        }
    }
    rst.push("<text style='fill:black;font-size:" + fontsize + "pt' x='" + x +"' y='" + y + "'>" + cell[JV.PROP_VALUE] + "</text>");
    return rst.join();
}

function getPixelSize(pagesData) {
    let rst = [793,1122];
    if (pagesData[JV.NODE_PAGE_INFO] && pagesData[JV.NODE_PAGE_INFO][JV.NODE_PAGE_SIZE]) {
        rst[0] = Math.round(SCREEN_DPI[0] * pagesData[JV.NODE_PAGE_INFO][JV.NODE_PAGE_SIZE][0]);
        rst[1] = Math.round(SCREEN_DPI[1] * pagesData[JV.NODE_PAGE_INFO][JV.NODE_PAGE_SIZE][1]);
    }
    return rst;
}