priestine/versions

import type { IAppCtx } from 'types/app-ctx'
import type { LogFunction } from '../../utils/logger'
import { Either } from '../../utils/either'

interface IDeps {
    logWarning: LogFunction
}

type Ctx = Pick<IAppCtx, 'latestVersion' | 'allTags' | 'noTrailingZeroes'>

export const getLatestVersion = ({ logWarning }: IDeps) => ({
    latestVersion,
    allTags,
    noTrailingZeroes,
}: Ctx) => ({
    latestVersion:
        latestVersion ||
        Either.fromNullable(
            allTags.find((tag) =>
                noTrailingZeroes
                    ? /^(\w+)?\d+\.?(\d+)?\.?(\d+)?$/.test(tag)
                    : /^(\w+)?\d+\.\d+\.\d+$/.test(tag),
            ),
        )
            .leftMap(
                () =>
                    /* istanbul ignore next */
                    logWarning`Could not find previous semantic versions. Using ${({ y }) => y('0.0.0')}.`,
            )
            .fold(
                () => '0.0.0',
                (latestVersion) => latestVersion,
            ),
})