import { PackageManifest } from 'query-registry';
import { extractPackageAPI } from '../api-extractor/extract-package-api';
import { PackageAPI } from '../types/package-api';
import { log } from '../utils/log';
import { getEntryPoint } from './get-entry-point';
import { getOptimizedFilePattern } from './get-optimized-file-pattern';
import { getTaggedGitRepository } from './get-tagged-git-repository';
import { hasValidLicense } from './has-valid-license';
import { tryDownloadPackage } from './try-download-package';

export async function tryGetPackageAPI({
    manifest,
    ignoreLicense,
    ignoreFilePatternOptimizations,
}: {
    manifest: PackageManifest;
    ignoreLicense?: boolean;
    ignoreFilePatternOptimizations?: boolean;
}): Promise<PackageAPI | undefined> {
    const {
        id,
        name,
        version,
        license,
        gitHead,
        gitRepository,
        dist: { tarball },
        source,
        types,
        typings,
    } = manifest;

    if (!hasValidLicense({ license, ignoreLicense })) {
        log('tryGetPackageAPI: invalid license: %O', { id, license });
        return undefined;
    }

    const fileSystem = await tryDownloadPackage({ tarball });
    if (!fileSystem) {
        log('tryGetPackageAPI: download failed: %O', { id, tarball });
        return undefined;
    }

    const entryPoint = getEntryPoint({
        fileSystem,
        name,
        source,
        types,
        typings,
    });
    if (!entryPoint) {
        log('tryGetPackageAPI: entry point not found: %O', {
            id,
            name,
            source,
            types,
            typings,
            fileSystem,
        });
        return undefined;
    }

    const repository = getTaggedGitRepository({
        id,
        gitRepository,
        gitHead,
        version,
    });

    const pattern = getOptimizedFilePattern({
        name,
        ignoreFilePatternOptimizations,
    });

    try {
        return extractPackageAPI({
            fileSystem,
            entryPoint,
            id,
            repository,
            pattern,
        });
    } catch (err) {
        log('tryGetPackageAPI: API extraction failed: %O', { id, err });
        return undefined;
    }
}