// Name: Edit global .gitignore
// Description: Opens an editor with the global .gitignore file and sets it up if it doesn't exist

import "@johnlindquist/kit"
import { writeFile } from "node:fs/promises"
import { startSpinner } from "@josxa/kit-utils"

const cache = await db({ defaultEntries: [] as string[] })

const DESIRED_IGNORE_PATH = home(".global.gitignore")

const ensureGlobalGitIgnorePathConfigured = async () => {
  try {
    const existing = await exec("git config --global core.excludesfile")
    debugger

    if (existing.stdout.toString() !== DESIRED_IGNORE_PATH) {
      await exec(`git config --global core.excludesfile "${DESIRED_IGNORE_PATH}"`)
      await div(`Global gitconfig file configured to be at ${DESIRED_IGNORE_PATH}`)
    }
  } catch (err) {
    await exec(`git config --global core.excludesfile "${DESIRED_IGNORE_PATH}"`)
    await div(`Global gitconfig file configured to be at ${DESIRED_IGNORE_PATH}`)
  }
}

await ensureGlobalGitIgnorePathConfigured()

const content = await ensureReadFile(DESIRED_IGNORE_PATH, "", { encoding: "utf-8" })

const updated = ensureDefaultEntriesPresent(content).trim()

if (updated !== content) {
  await writeFile(DESIRED_IGNORE_PATH, updated, { encoding: "utf-8" })
  await div("Inserted default entries and wrote to file!")
}

const edited = (await editor({ value: updated })).trim()

if (edited !== updated) {
  await writeFile(DESIRED_IGNORE_PATH, edited, { encoding: "utf-8" })
  startSpinner("dots", { initialMessage: "Writing..." })
  await wait(1200)
  await submit("done")
}

cache.defaultEntries = edited.split("\n")
await cache.write()

function ensureDefaultEntriesPresent(content: string): string {
  const lines = content.split("\n")

  for (const x of cache.defaultEntries) {
    if (!lines.includes(x)) {
      lines.unshift(x)
    }
  }

  return lines.join("\n")
}