const { roles, events, permissions } = require("@budibase/backend-core")
const setup = require("./utilities")
const { PermissionLevel } = require("@budibase/types")
const { basicRole } = setup.structures
const { BUILTIN_ROLE_IDS } = roles
const { BuiltinPermissionID } = permissions

describe("/roles", () => {
  let request = setup.getRequest()
  let config = setup.getConfig()

  afterAll(setup.afterAll)

  beforeAll(async () => {
    await config.init()
  })

  const createRole = async role => {
    if (!role) {
      role = basicRole()
    }

    return request
      .post(`/api/roles`)
      .send(role)
      .set(config.defaultHeaders())
      .expect("Content-Type", /json/)
      .expect(200)
  }

  describe("create", () => {
    it("returns a success message when role is successfully created", async () => {
      const role = basicRole()
      const res = await createRole(role)

      expect(res.body._id).toBeDefined()
      expect(res.body._rev).toBeDefined()
      expect(events.role.updated).not.toBeCalled()
      expect(events.role.created).toBeCalledTimes(1)
      expect(events.role.created).toBeCalledWith(res.body)
    })
  })

  describe("update", () => {
    it("updates a role", async () => {
      const role = basicRole()
      let res = await createRole(role)
      jest.clearAllMocks()
      res = await createRole(res.body)

      expect(res.body._id).toBeDefined()
      expect(res.body._rev).toBeDefined()
      expect(events.role.created).not.toBeCalled()
      expect(events.role.updated).toBeCalledTimes(1)
      expect(events.role.updated).toBeCalledWith(res.body)
    })
  })

  describe("fetch", () => {
    beforeAll(async () => {
      // Recreate the app
      await config.init()
    })

    it("should list custom roles, plus 2 default roles", async () => {
      const customRole = await config.createRole()

      const res = await request
        .get(`/api/roles`)
        .set(config.defaultHeaders())
        .expect("Content-Type", /json/)
        .expect(200)

      expect(res.body.length).toBe(5)

      const adminRole = res.body.find(r => r._id === BUILTIN_ROLE_IDS.ADMIN)
      expect(adminRole).toBeDefined()
      expect(adminRole.inherits).toEqual(BUILTIN_ROLE_IDS.POWER)
      expect(adminRole.permissionId).toEqual(BuiltinPermissionID.ADMIN)

      const powerUserRole = res.body.find(r => r._id === BUILTIN_ROLE_IDS.POWER)
      expect(powerUserRole).toBeDefined()
      expect(powerUserRole.inherits).toEqual(BUILTIN_ROLE_IDS.BASIC)
      expect(powerUserRole.permissionId).toEqual(BuiltinPermissionID.POWER)

      const customRoleFetched = res.body.find(r => r._id === customRole.name)
      expect(customRoleFetched).toBeDefined()
      expect(customRoleFetched.inherits).toEqual(BUILTIN_ROLE_IDS.BASIC)
      expect(customRoleFetched.permissionId).toEqual(
        BuiltinPermissionID.READ_ONLY
      )
    })

    it("should be able to get the role with a permission added", async () => {
      const table = await config.createTable()
      await config.api.permission.set({
        roleId: BUILTIN_ROLE_IDS.POWER,
        resourceId: table._id,
        level: PermissionLevel.READ,
      })
      const res = await request
        .get(`/api/roles`)
        .set(config.defaultHeaders())
        .expect("Content-Type", /json/)
        .expect(200)
      expect(res.body.length).toBeGreaterThan(0)
      const power = res.body.find(role => role._id === BUILTIN_ROLE_IDS.POWER)
      expect(power.permissions[table._id]).toEqual(["read"])
    })
  })

  describe("destroy", () => {
    it("should delete custom roles", async () => {
      const customRole = await config.createRole({
        name: "user",
        permissionId: BuiltinPermissionID.READ_ONLY,
        inherits: BUILTIN_ROLE_IDS.BASIC,
      })
      delete customRole._rev_tree
      await request
        .delete(`/api/roles/${customRole._id}/${customRole._rev}`)
        .set(config.defaultHeaders())
        .expect(200)
      await request
        .get(`/api/roles/${customRole._id}`)
        .set(config.defaultHeaders())
        .expect(404)
      expect(events.role.deleted).toBeCalledTimes(1)
      expect(events.role.deleted).toBeCalledWith(customRole)
    })
  })

  describe("accessible", () => {
    it("should be able to fetch accessible roles (with builder)", async () => {
      const res = await request
        .get("/api/roles/accessible")
        .set(config.defaultHeaders())
        .expect(200)
      expect(res.body.length).toBe(5)
      expect(typeof res.body[0]).toBe("string")
    })

    it("should be able to fetch accessible roles (basic user)", async () => {
      const res = await request
        .get("/api/roles/accessible")
        .set(await config.basicRoleHeaders())
        .expect(200)
      expect(res.body.length).toBe(2)
      expect(res.body[0]).toBe("BASIC")
      expect(res.body[1]).toBe("PUBLIC")
    })

    it("should be able to fetch accessible roles (no user)", async () => {
      const res = await request
        .get("/api/roles/accessible")
        .set(config.publicHeaders())
        .expect(200)
      expect(res.body.length).toBe(1)
      expect(res.body[0]).toBe("PUBLIC")
    })

    it("should not fetch higher level accessible roles when a custom role header is provided", async () => {
      await createRole({
        name: `CUSTOM_ROLE`,
        inherits: roles.BUILTIN_ROLE_IDS.BASIC,
        permissionId: permissions.BuiltinPermissionID.READ_ONLY,
        version: "name",
      })
      const res = await request
        .get("/api/roles/accessible")
        .set({
          ...config.defaultHeaders(),
          "x-budibase-role": "CUSTOM_ROLE",
        })
        .expect(200)
      expect(res.body.length).toBe(3)
      expect(res.body[0]).toBe("CUSTOM_ROLE")
      expect(res.body[1]).toBe("BASIC")
      expect(res.body[2]).toBe("PUBLIC")
    })
  })
})