/* istanbul ignore file */
import { expect } from 'chai'

import { beforeEachContext } from '@/test/hooks'

import { validateScopes, authorizeResolver } from '@/modules/shared'
import { buildContext } from '@/modules/shared/middleware'
import type { AvailableRoles, ServerRoles } from '@speckle/shared'
import { Roles, Scopes } from '@speckle/shared'
import { throwForNotHavingServerRole } from '@/modules/shared/authz'
import { ForbiddenError } from '@/modules/shared/errors'
import { mockAdminOverride } from '@/test/mocks/global'
import type { Request } from 'express'
import type { BasicTestUser } from '@/test/authHelper'
import { createTestUser } from '@/test/authHelper'
import type { BasicTestStream } from '@/test/speckle-helpers/streamHelper'
import { createTestStream } from '@/test/speckle-helpers/streamHelper'

const adminOverrideMock = mockAdminOverride()

describe('Generic AuthN & AuthZ controller tests', () => {
  before(async () => {
    await beforeEachContext()
  })

  it('Validate scopes', async () => {
    await validateScopes(undefined, undefined as unknown as string)
      .then(() => {
        throw new Error('This should have been rejected')
      })
      .catch((err) =>
        expect('Your auth token does not have the required scope.').to.equal(
          err.message
        )
      )

    await validateScopes(['a'], 'b')
      .then(() => {
        throw new Error('This should have been rejected')
      })
      .catch((err) =>
        expect('Your auth token does not have the required scope: b.').to.equal(
          err.message
        )
      )

    await validateScopes(['a', 'b'], 'b') // should pass
  })
  ;(<const>[
    ['BS header', { req: { headers: { authorization: 'Bearer BS' } } as Request }],
    [
      'Null header',
      { req: { headers: { authorization: null as string | null } } as Request }
    ],
    ['Undefined header', { req: { headers: { authorization: undefined } } as Request }],
    ['BS token', { token: 'Bearer BS' }],
    ['Null token', { token: null }],
    ['Undefined token', { token: undefined }]
  ]).map(([caseName, contextInput]) =>
    it(`Should create proper context ${caseName}`, async () => {
      const res = await buildContext(contextInput)
      expect(res.auth).to.equal(false)
    })
  )

  it('Should validate server role', async () => {
    await throwForNotHavingServerRole(
      { auth: true, role: Roles.Server.User },
      Roles.Server.Admin
    )
      .then(() => {
        throw new Error('This should have been rejected')
      })
      .catch((err) =>
        expect('You do not have the required server role').to.equal(err.message)
      )

    await throwForNotHavingServerRole(
      { auth: true, role: 'HACZOR' as ServerRoles },
      '133TCR3w' as ServerRoles
    )
      .then(() => {
        throw new Error('This should have been rejected')
      })
      .catch((err) =>
        expect('Invalid role requirement specified').to.equal(err.message)
      )

    await throwForNotHavingServerRole(
      { auth: true, role: Roles.Server.Admin },
      '133TCR3w' as ServerRoles
    )
      .then(() => {
        throw new Error('This should have been rejected')
      })
      .catch((err) =>
        expect('Invalid role requirement specified').to.equal(err.message)
      )

    const test = await throwForNotHavingServerRole(
      { auth: true, role: Roles.Server.Admin },
      Roles.Server.User
    )
    expect(test).to.equal(true)
  })

  it('Resolver Authorization Should fail nicely when roles & resources are wanky', async () => {
    await authorizeResolver(null, 'foo', 'bar' as AvailableRoles, null)
      .then(() => {
        throw new Error('This should have been rejected')
      })
      .catch((err) => expect('Unknown role: bar').to.equal(err.message))

    // this caught me out, but streams:read is not a valid role for now
    await authorizeResolver(
      'foo',
      'bar' as AvailableRoles,
      Scopes.Streams.Read as AvailableRoles,
      null
    )
      .then(() => {
        throw new Error('This should have been rejected')
      })
      .catch((err) => expect('Unknown role: streams:read').to.equal(err.message))
  })

  describe('Authorize resolver ', () => {
    let myStream: BasicTestStream
    let notMyStream: BasicTestStream
    let serverOwner: BasicTestUser
    let otherGuy: BasicTestUser

    before(async function () {
      // Seeding
      serverOwner = await createTestUser({
        name: 'Itsa Me',
        email: 'me@example.org',
        password: 'sn3aky-1337-b1m'
      })
      otherGuy = await createTestUser({
        name: 'Some Other DUde',
        email: 'otherguy@example.org',
        password: 'sn3aky-1337-b1m'
      })

      myStream = await createTestStream(
        {
          name: 'My Stream 2',
          isPublic: true
        },
        serverOwner
      )
      notMyStream = await createTestStream(
        {
          name: 'Not My Stream 1',
          isPublic: false
        },
        otherGuy
      )
    })

    afterEach(() => {
      adminOverrideMock.disable()
    })
    after(() => {
      adminOverrideMock.disable()
    })
    it('should allow stream:owners to be stream:owners', async () => {
      await authorizeResolver(
        serverOwner.id,
        myStream.id,
        Roles.Stream.Contributor,
        null
      )
    })

    it('should get the passed in role for server:admins if override enabled', async () => {
      adminOverrideMock.enable(true)
      await authorizeResolver(
        serverOwner.id,
        myStream.id,
        Roles.Stream.Contributor,
        null
      )
    })
    it('should not allow server:admins to be anything if adminOverride is disabled', async () => {
      try {
        await authorizeResolver(
          serverOwner.id,
          notMyStream.id,
          Roles.Stream.Contributor,
          null
        )
        throw new Error('This should have thrown')
      } catch (e) {
        expect(e instanceof ForbiddenError)
      }
    })

    it('should allow server:admins to be anything if adminOverride is enabled', async () => {
      adminOverrideMock.enable(true)

      await authorizeResolver(
        serverOwner.id,
        notMyStream.id,
        Roles.Stream.Contributor,
        null
      )
    })

    it('should not allow server:users to be anything if adminOverride is disabled', async () => {
      try {
        await authorizeResolver(
          otherGuy.id,
          myStream.id,
          Roles.Stream.Contributor,
          null
        )
        throw new Error('This should have thrown')
      } catch (e) {
        expect(e instanceof ForbiddenError)
      }
    })

    it('should not allow server:users to be anything if adminOverride is enabled', async () => {
      adminOverrideMock.enable(true)

      try {
        await authorizeResolver(
          otherGuy.id,
          myStream.id,
          Roles.Stream.Contributor,
          null
        )
        throw new Error('This should have thrown')
      } catch (e) {
        expect(e instanceof ForbiddenError)
      }
    })
  })
})