'use strict';

const vite = require('vite');
require('picocolors');

const DEFAULT_EXTENSION = [".js", ".cjs", ".mjs", ".ts", ".tsx", ".jsx", ".vue"];
const PLUGIN_NAME = "vite:canyon";
function resolveFilename(id) {
  const [filename] = id.split("?vue");
  return filename;
}
function shouldInstrument(filename) {
  return DEFAULT_EXTENSION.some((ext) => filename.endsWith(ext));
}
function instrumentedData(args) {
  const canyon = {
    // gitlab流水线自带
    projectID: args.projectID || process.env["CI_PROJECT_ID"] || "",
    commitSha: args.commitSha || process.env["CI_COMMIT_SHA"] || "",
    sha: args.commitSha || process.env["CI_COMMIT_SHA"] || "",
    branch: args.branch || process.env["CI_COMMIT_BRANCH"] || process.env["CI_COMMIT_REF_NAME"] || "",
    // 自己配置
    dsn: args.dsn || process.env["DSN"] || "",
    reporter: args.reporter || process.env["REPORTER"] || "",
    // 可选
    compareTarget: args.compareTarget,
    // 自动获取
    instrumentCwd: args.instrumentCwd || process.cwd()
  };
  return `(new Function("return this")()).__canyon__ = ${JSON.stringify(canyon)}`;
}
function canyonPlugin(opts = {}) {
  vite.createLogger("info", { prefix: "vite-plugin-canyon" });
  const canyonStr = instrumentedData(opts);
  return {
    name: PLUGIN_NAME,
    enforce: "post",
    transform(srcCode, id, options) {
      const newCode = `${canyonStr}
${srcCode}`;
      const filename = resolveFilename(id);
      if (shouldInstrument(filename)) {
        return {
          code: newCode,
          map: null
        };
      }
    }
  };
}

module.exports = canyonPlugin;