// @ts-check
import pico from 'picocolors'
import { readFileSync } from 'node:fs'
import path from 'node:path'

const msgPath = path.resolve('.git/COMMIT_EDITMSG')
const msg = readFileSync(msgPath, 'utf-8').trim()

const commitRE =
 /^(revert: )?(feat|fix|docs|dx|style|refactor|perf|test|workflow|build|ci|chore|types|wip|release)(\(.+\))?: .{1,50}/

if (!commitRE.test(msg)) {
 console.log()
 console.error(
 ` ${pico.white(pico.bgRed(' ERROR '))}${pico.red(
 `invalid commit message format.`,
 )}\n\n` +
 pico.red(
 ` Proper commit message format is required for automated changelog generation. Examples:\n\n`,
 ) +
 ` ${pico.green(`feat(compiler): add 'comments' option`)}\n` +
 ` ${pico.green(
 `fix(v-model): handle events on blur (close #28)`,
 )}\n\n` +
 pico.red(` See .github/commit-convention.md for more details.\n`),
 )
 process.exit(1)
}