const path = require("path");

function getNiceNameFromFilename(filename) {
  return (filename.charAt(0).toUpperCase() + filename.slice(1)).replace(
    /-/g,
    " "
  );
}

function meta(config, item, meta) {
  const outputDir = path.join(meta.dir.replace(config.baseDir, ""));
  return {
    ...item,
    name: meta.name,
    niceName: getNiceNameFromFilename(meta.name),
    outputPath: `${path.join(outputDir, meta.name)}`,
    outputExtension: ".html"
  };
}

function addBlurb(config, item, meta) {
  const introStart = item.content.indexOf("<p>") + 3;
  const introEnd = item.content.indexOf("</p>");
  let cutoff;
  if (introEnd - introStart > config.cutoffLength) {
    cutoff = item.content.indexOf(".", introStart + config.cutoffLength) + 1;
  } else {
    cutoff = introEnd;
  }
  const blurb = item.content.substring(introStart, cutoff);
  return {
    ...item,
    blurb: blurb
  };
}

module.exports = {
  initialState: [
    {
      path: "./cv.md",
      tags: ["markdown", "content"]
    },
    {
      path: "./styles.css",
      tags: ["styles"]
    },
    {
      path: "./template.handlebars",
      tags: ["template"]
    }
  ],
  steps: [
    [
      {
        func: "readInFile",
        selector: state => state.selectAll()
      }
    ],
    [
      {
        func: "decorateFileObject",
        selector: state => state.selectAll(),
        config: {
          decorators: [meta]
        }
      }
    ],
    [
      {
        func: "markdownToHtml",
        selector: state => state.selectByTag("markdown")
      },
      {
        func: "compileTemplates",
        selector: state => state.selectByTag("template")
      },
      {
        func: "copy",
        selector: state => state.selectByTag("styles")
      }
    ],
    [
      {
        func: "renderTemplate",
        selector: state =>
          state.selectOne(
            item => item.tags.includes("markdown") && item.name === "cv"
          ),
        getConfig: state => ({
          meta: {
            styles: state.selectOne(item => item.name === "styles")
          },
          template: state.selectOne(
            item => item.tags.includes("template") && item.name === "template"
          )
        })
      }
    ],
    [
      {
        func: "writeOutFile",
        selector: state => state.selectMany(item => true),
        config: { outputDir: "./output" }
      },
      {
        func: "writeOutPDF",
        selector: state => state.selectMany(item => true),
        config: { outputDir: "./output" }
      }
    ]
  ]
};