import { describe, expect, it } from 'vitest'
import { assertReadAllowed, EsGuardError } from '../../../src/es/guard.js'

describe('assertReadAllowed', () => {
    it('allows GET and HEAD anywhere', () => {
        expect(() => assertReadAllowed('GET', '/idx/_doc/1')).not.toThrow()
        expect(() => assertReadAllowed('HEAD', '/idx')).not.toThrow()
    })
    it('allows POST to read endpoints', () => {
        for (const p of [
            '/idx/_search',
            '/_msearch',
            '/idx/_count',
            '/_field_caps',
            '/_cat/indices',
            '/idx/_mapping',
            '/_search/scroll',
            '/idx/_pit'
        ]) {
            expect(() => assertReadAllowed('POST', p), p).not.toThrow()
        }
    })
    it('blocks POST to write endpoints', () => {
        for (const p of [
            '/idx/_doc',
            '/idx/_bulk',
            '/idx/_update/1',
            '/idx/_delete_by_query',
            '/_sql'
        ]) {
            expect(() => assertReadAllowed('POST', p), p).toThrow(EsGuardError)
        }
    })
    it('blocks PUT and generic DELETE', () => {
        expect(() => assertReadAllowed('PUT', '/idx')).toThrow(EsGuardError)
        expect(() => assertReadAllowed('DELETE', '/idx/_doc/1')).toThrow(EsGuardError)
    })
    it('allows DELETE only for pit and scroll cleanup', () => {
        expect(() => assertReadAllowed('DELETE', '/_pit')).not.toThrow()
        expect(() => assertReadAllowed('DELETE', '/_search/scroll')).not.toThrow()
    })
    it('ignores query strings when matching', () => {
        expect(() => assertReadAllowed('POST', '/idx/_search?scroll=1m')).not.toThrow()
    })
    it('ignores a trailing slash', () => {
        expect(() => assertReadAllowed('POST', '/idx/_search/')).not.toThrow()
    })
    it('treats a missing leading slash like the slashed path', () => {
        expect(() => assertReadAllowed('POST', '_search')).not.toThrow()
        expect(() => assertReadAllowed('POST', 'idx/_search')).not.toThrow()
        expect(() => assertReadAllowed('POST', 'idx/_doc')).toThrow(EsGuardError)
    })
    it('rejects an unknown method', () => {
        expect(() => assertReadAllowed('PATCH', '/idx/_search')).toThrow(EsGuardError)
    })
})