//
// Copyright © 2022 Hardcore Engineering Inc.
//
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
//

import { PersonAccount } from '@hcengineering/contact'
import core, { AccountRole, concatLink, Doc, Ref, Tx, TxCreateDoc, TxUpdateDoc } from '@hcengineering/core'
import lead, { Lead, leadId } from '@hcengineering/lead'
import { getMetadata } from '@hcengineering/platform'
import serverCore, { TriggerControl } from '@hcengineering/server-core'
import view from '@hcengineering/view'
import { workbenchId } from '@hcengineering/workbench'

/**
 * @public
 */
export async function leadHTMLPresenter (doc: Doc, control: TriggerControl): Promise<string> {
  const lead = doc as Lead
  const front = control.branding?.front ?? getMetadata(serverCore.metadata.FrontUrl) ?? ''
  const path = `${workbenchId}/${control.workspace.workspaceUrl}/${leadId}/${lead.space}/#${view.component.EditDoc}|${lead._id}|${lead._class}|content`
  const link = concatLink(front, path)
  return `<a href="${link}">${lead.title}</a>`
}

/**
 * @public
 */
export async function leadTextPresenter (doc: Doc): Promise<string> {
  const lead = doc as Lead
  return `LEAD-${lead.number}`
}

/**
 * @public
 */
export async function OnWorkspaceOwnerAdded (tx: Tx, control: TriggerControl): Promise<Tx[]> {
  let ownerId: Ref<PersonAccount> | undefined
  if (control.hierarchy.isDerived(tx._class, core.class.TxCreateDoc)) {
    const createTx = tx as TxCreateDoc<PersonAccount>

    if (createTx.attributes.role === AccountRole.Owner) {
      ownerId = createTx.objectId
    }
  } else if (control.hierarchy.isDerived(tx._class, core.class.TxUpdateDoc)) {
    const updateTx = tx as TxUpdateDoc<PersonAccount>

    if (updateTx.operations.role === AccountRole.Owner) {
      ownerId = updateTx.objectId
    }
  }

  if (ownerId === undefined) {
    return []
  }

  const targetFunnel = (
    await control.findAll(control.ctx, lead.class.Funnel, {
      _id: lead.space.DefaultFunnel
    })
  )[0]

  if (targetFunnel === undefined) {
    return []
  }

  if (
    targetFunnel.owners === undefined ||
    targetFunnel.owners.length === 0 ||
    targetFunnel.owners[0] === core.account.System
  ) {
    const updTx = control.txFactory.createTxUpdateDoc(lead.class.Funnel, targetFunnel.space, targetFunnel._id, {
      owners: [ownerId]
    })
    return [updTx]
  }

  return []
}

// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
export default async () => ({
  function: {
    LeadHTMLPresenter: leadHTMLPresenter,
    LeadTextPresenter: leadTextPresenter
  },
  trigger: {
    OnWorkspaceOwnerAdded
  }
})