import { getMemoryTemplateApi } from "./specHelpers"
import { errors } from "../src/templateApi"

describe("hierarchy node creation", () => {
  it("> getNewRootLevel > should be initialised with correct members", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    expect(root.name).toBe("root")
    expect(root.type).toBe("root")
    expect(root.children).toEqual([])
    expect(root.pathRegx).toBeDefined()
    expect(root.pathRegx()).toBe("/")
    expect(root.parent).toBeDefined()
    expect(root.isRoot()).toBeTruthy()
    expect(root.indexes).toEqual([])
  })

  it("> getNewRecordTemplate > should be initialise with correct members", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const record = templateApi.getNewRecordTemplate(root)
    record.name = "child"
    expect(record.type).toBe("record")
    expect(record.children).toEqual([])
    expect(record.validationRules).toEqual([])
    expect(record.indexes).toEqual([])
    expect(record.parent()).toBe(root)
    expect(record.collectionName).toBe(record.nodeId.toString())
    expect(record.estimatedRecordCount).toBe(1000000)
    expect(record.isSingle).toBe(false)

    record.collectionName = "records"
    expect(record.collectionNodeKey()).toBe("/records")
    expect(record.collectionPathRegx()).toBe("/records")
    expect(record.nodeKey()).toBe(`/records/${record.nodeId}-{id}`)
    expect(record.pathRegx()).toBe(`/records/${record.nodeId}-[a-zA-Z0-9_\-]+`)
  })

  it("> getNewSingleRecordTemplate > should set isSingle = true", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const record = templateApi.getNewSingleRecordTemplate(root)
    expect(record.isSingle).toBe(true)
  })

  it("> getNewrecordTemplate > should have static pathRegx if is singlerecord", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const record = templateApi.getNewSingleRecordTemplate(root)
    record.name = "child"
    expect(record.pathRegx()).toBe("/child")
  })

  it("> getNewrecordTemplate > should add itself to parent records's children", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const parentRecord = templateApi.getNewRecordTemplate(root)
    const record = templateApi.getNewRecordTemplate(parentRecord)
    expect(parentRecord.children.length).toBe(1)
    expect(parentRecord.children[0]).toBe(record)
  })

  it("> getNewrecordTemplate > should add itself to parents's default index allowedNodeIds", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const parentRecord = templateApi.getNewRecordTemplate(root)
    const record = templateApi.getNewRecordTemplate(parentRecord)
    expect(root.indexes[0].allowedRecordNodeIds).toEqual([parentRecord.nodeId])
    expect(parentRecord.indexes[0].allowedRecordNodeIds).toEqual([
      record.nodeId,
    ])
  })

  it("> getNewrecordTemplate > should add itself to root's children", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const record = templateApi.getNewRecordTemplate(root)
    expect(root.children.length).toBe(1)
    expect(root.children[0]).toBe(record)
  })

  it("> getNewrecordTemplate > should have dynamic pathRegx if parent is record", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const parent = templateApi.getNewRecordTemplate(root)
    parent.collectionName = "customers"
    const record = templateApi.getNewRecordTemplate(parent)
    record.name = "child"
    expect(record.pathRegx().startsWith("/customers")).toBe(true)
    expect(record.pathRegx().includes("[")).toBe(true)
  })

  it("> getNewrecordTemplate > should add default index", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const record = templateApi.getNewRecordTemplate(root, "rec")
    expect(root.indexes.length).toBe(1)
    expect(root.indexes[0].name).toBe("rec_index")
  })

  it("> getNewIndexTemplate > should initialise with correct members", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const index = templateApi.getNewIndexTemplate(root)
    expect(index.type).toBe("index")
    expect(index.name).toBeDefined()
    expect(index.map).toBeDefined()
    expect(index.filter).toBeDefined()
    expect(index.children).toBeUndefined()
    expect(index.indexType).toBe("ancestor")
    expect(index.getShardName).toBeDefined()
    index.name = "naughty-customers"
    expect(index.pathRegx()).toBe("/naughty-customers")
    expect(index.parent()).toBe(root)
    expect(index.aggregateGroups).toEqual([])
  })

  it("> getNewIndexTemplate > should add itself to roots indexes", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const index = templateApi.getNewIndexTemplate(root)
    expect(root.indexes.length).toBe(1)
    expect(root.indexes[0]).toBe(index)
  })

  it("> getNewIndexTemplate > should add itself to record indexes", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const record = templateApi.getNewRecordTemplate(root)
    const index = templateApi.getNewIndexTemplate(record)
    expect(record.indexes.length).toBe(1)
    expect(record.indexes[0]).toBe(index)
    expect(index.parent()).toBe(record)
  })

  it("should throw exception when no parent supplied, for non root node", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    expect(() => templateApi.getNewIndexTemplate()).toThrow(
      errors.allNonRootNodesMustHaveParent
    )
    expect(() => templateApi.getNewRecordTemplate()).toThrow(
      errors.allNonRootNodesMustHaveParent
    )
  })

  it("> adding node > should just add one (bugfix)", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const parent = templateApi.getNewRecordTemplate(root)
    templateApi.getNewRecordTemplate(parent)

    expect(root.children.length).toBe(1)
    expect(parent.children.length).toBe(1)
  })

  it("> getNewAggregateGroupTemplate > should throw exception when non index supplied as parent", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    expect(() => templateApi.getNewAggregateGroupTemplate(root)).toThrow()
  })

  it("> getNewAggregateGroupTemplate > should add itself to index aggregateGroups", async () => {
    const { templateApi } = await getMemoryTemplateApi()
    const root = templateApi.getNewRootLevel()
    const record = templateApi.getNewRecordTemplate(root)
    const index = templateApi.getNewIndexTemplate(record)
    const aggregateGroup = templateApi.getNewAggregateGroupTemplate(index)
    expect(index.aggregateGroups.length).toBe(1)
    expect(index.aggregateGroups[0]).toBe(aggregateGroup)
    expect(aggregateGroup.parent()).toBe(index)
  })
})