import assert from "node:assert/strict"
import test from "node:test"
import { collaborationConfig } from "../src/modules/collaboration/config"

const deployment = { API_BASE_URL: "https://fedeo.example/backend", ENCRYPTION_KEY: "a".repeat(64) }

test("existing HTTPS deployment enables federation without additional environment values", () => {
    const config = collaborationConfig(deployment)
    assert.equal(config.enabled, true)
    assert.equal(config.apiUrl, deployment.API_BASE_URL)
    assert.equal(config.publicUrl, "https://fedeo.example")
    assert.equal(config.disabledReason, undefined)
    assert.equal(collaborationConfig({ ...deployment, FEDEO_FEDERATION_ENABLED: "auto", FEDEO_FEDERATION_URL: "", FEDEO_PUBLIC_URL: "" }).enabled, true)
})

test("custom API paths are retained and instance addresses are canonicalized", () => {
    const config = collaborationConfig({ ...deployment, API_BASE_URL: "https://FEDEO.example:443/application/api/" })
    assert.equal(config.apiUrl, "https://fedeo.example/application/api")
    assert.equal(config.publicUrl, "https://fedeo.example")
    assert.equal(config.enabled, true)
})

test("explicit opt-out stays disabled even on a correctly configured deployment", () => {
    const config = collaborationConfig({ ...deployment, FEDEO_FEDERATION_ENABLED: "false" })
    assert.equal(config.enabled, false)
    assert.match(config.disabledReason!, /Betreiber deaktiviert/)
})

test("optional gateway override does not move guest links away from the web application", () => {
    const config = collaborationConfig({ ...deployment, FEDEO_FEDERATION_URL: "https://gateway.example/federation-api/" })
    assert.equal(config.apiUrl, "https://gateway.example/federation-api")
    assert.equal(config.publicUrl, "https://fedeo.example")
    assert.equal(collaborationConfig({ ...deployment, FEDEO_PUBLIC_URL: "https://portal.example/app/" }).publicUrl, "https://portal.example/app")
})

test("local and incomplete deployments keep local collaboration available without federation", () => {
    for (const API_BASE_URL of [undefined, "", "invalid", "http://localhost:3100", "https://fedeo.example:8443/backend", "https://user:password@fedeo.example/backend"]) {
        const config = collaborationConfig({ ...deployment, API_BASE_URL })
        assert.equal(config.enabled, false, API_BASE_URL)
        assert.match(config.disabledReason!, /HTTPS-API_BASE_URL/)
    }
    for (const ENCRYPTION_KEY of [undefined, "", "invalid", "x".repeat(64)]) {
        const config = collaborationConfig({ ...deployment, ENCRYPTION_KEY })
        assert.equal(config.enabled, false)
        assert.match(config.disabledReason!, /ENCRYPTION_KEY/)
    }
})

test("forced activation reports invalid configuration instead of silently ignoring it", () => {
    assert.throws(() => collaborationConfig({ ...deployment, FEDEO_FEDERATION_ENABLED: "true", API_BASE_URL: "http://localhost" }), /HTTPS/)
    assert.throws(() => collaborationConfig({ ...deployment, FEDEO_FEDERATION_ENABLED: "true", ENCRYPTION_KEY: "invalid" }), /ENCRYPTION_KEY/)
    assert.throws(() => collaborationConfig({ ...deployment, FEDEO_FEDERATION_ENABLED: "typo" }), /auto, true oder false/)
    assert.equal(collaborationConfig({ ...deployment, FEDEO_FEDERATION_ENABLED: "true" }).enabled, true)
})