import execa from "execa"
import { join } from "path"
import untildify from "untildify"
import which from "which"
import { setupCmake } from "../cmake/cmake"
import { getVersion } from "../default_versions"
import { execSudo } from "../utils/exec/sudo"
import { addBinExtension } from "../utils/extension/extension"
import { extractTarByExe } from "../utils/setup/extract"
import { setupAptPack } from "../utils/setup/setupAptPack"
import { PackageInfo, setupBin } from "../utils/setup/setupBin"

function getKcovPackageInfo(version: string): PackageInfo {
  const version_number = parseInt(version.replace(/^v/, ""), 10)
  if (version_number === 38) {
    // eslint-disable-next-line no-param-reassign
    version = "v38"
  }
  if (version_number >= 39) {
    return {
      url: `https://github.com/SimonKagstrom/kcov/releases/download/v${version_number}/kcov-amd64.tar.gz`,
      extractedFolderName: "",
      binRelativeDir: "usr/local/bin",
      binFileName: addBinExtension("kcov"),
      extractFunction: extractTarByExe,
    }
  } else {
    return {
      url: `https://github.com/SimonKagstrom/kcov/archive/refs/tags/${version}.tar.gz`,
      extractedFolderName: `kcov-${version_number}`,
      binRelativeDir: "build/",
      binFileName: addBinExtension("kcov"),
      extractFunction: buildKcov,
    }
  }
}

async function buildKcov(file: string, dest: string) {
  const out = await extractTarByExe(file, dest, ["--strip-components=1"])
  // build after extraction using CMake
  if (which.sync("cmake", { nothrow: true }) === null) {
    await setupCmake(getVersion("cmake", undefined), join(untildify(""), "cmake"), "")
  }
  if (process.platform === "linux") {
    setupAptPack("libdw-dev")
    setupAptPack("libcurl4-openssl-dev")
  }
  await execa("cmake", ["-S", "./", "-B", "./build"], { cwd: out, stdio: "inherit" })
  await execa("cmake", ["--build", "./build", "--config", "Release"], { cwd: out, stdio: "inherit" })
  execSudo("cmake", ["--install", "./build"], out)
  return out
}

export async function setupKcov(version: string, setupDir: string, arch: string) {
  switch (process.platform) {
    case "linux": {
      const installationInfo = await setupBin("kcov", version, getKcovPackageInfo, setupDir, arch)
      setupAptPack("libbinutils")
      return installationInfo
    }
    default: {
      throw new Error(`Unsupported platform for ${arch}`)
    }
  }
}