import {afterEach, describe, expect, mock, test} from 'bun:test'
import {deployLightsailNodeApplication, deployLightsailStaticFiles} from './lightsailDeployment'

const originalEndpoint = process.env.FLOCI_ENDPOINT
const originalFetch = globalThis.fetch

afterEach(() => {
    // Assigning undefined would store the string "undefined" for every later test file.
    if (originalEndpoint === undefined) delete process.env.FLOCI_ENDPOINT
    else process.env.FLOCI_ENDPOINT = originalEndpoint
    globalThis.fetch = originalFetch
    mock.restore()
})

describe('deployLightsailNodeApplication', () => {
    test('forwards package uploads and preserves core deployment diagnostics', async () => {
        process.env.FLOCI_ENDPOINT = 'http://core.test:4566'
        const fetch = mock(() => Promise.resolve(new Response(JSON.stringify({status: 'deployed', files: 2, port: 3000, releaseId: 'release'}), {headers: {'content-type': 'application/json'}})))
        globalThis.fetch = fetch as unknown as typeof globalThis.fetch
        const form = new FormData()
        form.append('files', new File(['{}'], 'package.json'))
        form.append('port', '3000')

        await expect(deployLightsailNodeApplication('node app', form)).resolves.toEqual({status: 'deployed', files: 2, port: 3000, releaseId: 'release'})
        expect(fetch).toHaveBeenCalledWith('http://core.test:4566/_floci/diagnostics/lightsail/instances/node%20app/node-application', expect.objectContaining({
            method: 'POST', body: form, redirect: 'error',
        }))
    })
})

describe('deployLightsailStaticFiles', () => {
    test('forwards multipart files only to the diagnostics deployment endpoint', async () => {
        process.env.FLOCI_ENDPOINT = 'http://core.test:4566'
        const fetch = mock(() => Promise.resolve(new Response(JSON.stringify({status: 'deployed', files: 1}), {headers: {'content-type': 'application/json'}})))
        globalThis.fetch = fetch as unknown as typeof globalThis.fetch
        const form = new FormData()
        form.append('files', new File(['<h1>ok</h1>'], 'site/index.html'))

        await expect(deployLightsailStaticFiles('web site', form)).resolves.toEqual({status: 'deployed', files: 1})
        expect(fetch).toHaveBeenCalledWith('http://core.test:4566/_floci/diagnostics/lightsail/instances/web%20site/static-files', expect.objectContaining({
            method: 'POST', body: form, redirect: 'error',
        }))
    })
})