import {fetchLongTermSupportBranchesFromNpm, ActiveReleaseTrains} from '@angular/ng-dev';

import {ReleaseConfig} from '@angular/ng-dev';

import {AuthenticatedGitClient} from '@angular/ng-dev';

export interface Deployment {

branch: string;

redirect?: {

from: string;

to: string;

};

destination?: string;

servingUrl: string;

}

export type Deployments = Map<string, Deployment>;

export async function getDeployments(): Promise<Deployments> {

const {github} = await AuthenticatedGitClient.get();

const releaseTrains = await ActiveReleaseTrains.fetch({

api: github,

name: 'angular',

owner: 'angular',

nextBranchName: 'main',

});

const ltsBranches = await fetchLongTermSupportBranchesFromNpm({

representativeNpmPackage: '@angular/core',

} as ReleaseConfig);

const docSites = new Map<string, Deployment>();

[...ltsBranches.active, ...ltsBranches.inactive].forEach((branch) => {

docSites.set(branch.name, {

branch: branch.name,

destination: `v${branch.version.major}-angular-dev`,

servingUrl: `https://v${branch.version.major}.angular.dev/`,

});

});

docSites.set(releaseTrains.latest.branchName, {

branch: releaseTrains.latest.branchName,

redirect: {

from: `v${releaseTrains.latest.version.major}-angular-dev`,

to: 'https://angular.dev',

},

servingUrl: 'https://angular.dev/',

destination: 'angular-dev-site',

});

if (releaseTrains.releaseCandidate) {

docSites.set(releaseTrains.next.branchName, {

branch: releaseTrains.next.branchName,

servingUrl: 'https://next.angular.dev/',

});

docSites.set(releaseTrains.releaseCandidate.branchName, {

branch: releaseTrains.releaseCandidate.branchName,

destination: 'next-angular-dev',

redirect: {

from: `v${releaseTrains.releaseCandidate.version.major}-angular-dev`,

to: 'https://next.angular.dev',

},

servingUrl: 'https://next.angular.dev/',

});

} else {

docSites.set(releaseTrains.next.branchName, {

branch: releaseTrains.next.branchName,

destination: 'next-angular-dev',

servingUrl: 'https://next.angular.dev/',

});

}

return docSites;

}