"use client"
import type { ProjectSlugs } from "@conusai-kit/ui"
import { useDataClient, useWrite } from "@conusai-kit/ui/data"
// SPDX-License-Identifier: LicenseRef-ConusAI-Template-1.0
import {
  FormLayout,
  type FormValues,
  PageSection,
  ResourceList,
  TextField,
  usePageNavigation,
  useResourceList,
} from "@conusai-kit/ui/patterns"
import { useState } from "react"
import type { CommentReceipt, CommentView, TaskReceipt, TaskView } from "../contract/index.js"
import { describeFailure, type Labels } from "./labels.js"

type Page<T> = { rows: T[]; after?: string | undefined }
export function Tasks({
  slugs,
  seed,
  href,
  labels,
  timeline = false,
}: {
  slugs: ProjectSlugs
  seed: Page<TaskView>
  href: string
  labels: Labels
  timeline?: boolean
}) {
  const client = useDataClient()
  const { list } = useResourceList<TaskView>({
    seed,
    rowId: (task) => task.taskId,
    read: async ({ after }) =>
      (
        await client.call<Page<TaskView>>(timeline ? "activities.timeline.list" : "activities.task.list", {
          ...slugs,
          ...(after ? { after } : {}),
        })
      ).value,
  })
  return (
    <ResourceList
      {...list}
      label={timeline ? labels.timeline : labels.open}
      columns={[
        { id: "subject", header: labels.subject, wrap: true },
        {
          id: "status",
          header: labels.status,
          cell: (task) =>
            task.status === "open"
              ? labels.stateOpen
              : task.status === "done"
                ? labels.stateDone
                : labels.stateCancelled,
        },
      ]}
      rowHref={(task) => `${href}/${task.taskId}`}
      rowLabel={(task) => task.subject}
      empty={{ title: labels.empty }}
    />
  )
}
export function TaskForm({
  slugs,
  task,
  href,
  labels,
}: {
  slugs: ProjectSlugs
  task?: TaskView
  href: string
  labels: Labels
}) {
  const navigation = usePageNavigation()
  const [requestId] = useState(() => crypto.randomUUID())
  const mutation = useWrite<Record<string, unknown>, TaskReceipt>(
    task ? "activities.task.update" : "activities.task.create",
  )
  const submit = async ({ subject, body = "" }: FormValues) => {
    const result = await mutation.mutate({
      ...slugs,
      subject,
      body,
      requestId,
      ...(task ? { taskId: task.taskId, expectedVersion: task.revision } : {}),
    })
    navigation.navigate(`${href}/${result.taskId}`)
  }
  return (
    <PageSection title={task ? labels.update : labels.create} variant="card">
      <FormLayout
        key={requestId}
        describeError={(error) => describeFailure(error, labels)}
        submitLabel={task ? labels.update : labels.create}
        busyLabel={labels.busy}
        onSubmit={submit}
      >
        <TextField name="subject" label={labels.subject} required maxLength={200} defaultValue={task?.subject} />
        <TextField name="body" label={labels.body} maxLength={10000} defaultValue={task?.body} />
      </FormLayout>
    </PageSection>
  )
}
export function TaskState({ slugs, task, labels }: { slugs: ProjectSlugs; task: TaskView; labels: Labels }) {
  const navigation = usePageNavigation()
  const [requestId, setRequestId] = useState(() => crypto.randomUUID())
  const change = useWrite<Record<string, unknown>, TaskReceipt>(
    task.status === "done" ? "activities.task.reopen" : "activities.task.complete",
  )
  if (task.status === "cancelled") return null
  const submit = async () => {
    await change.mutate({ ...slugs, taskId: task.taskId, expectedVersion: task.revision, requestId })
    await navigation.refresh()
    setRequestId(crypto.randomUUID())
  }
  return (
    <FormLayout
      key={requestId}
      describeError={(error) => describeFailure(error, labels)}
      submitLabel={task.status === "done" ? labels.reopen : labels.complete}
      busyLabel={labels.busy}
      onSubmit={submit}
    />
  )
}
export function Comments({
  slugs,
  task,
  seed,
  labels,
}: {
  slugs: ProjectSlugs
  task: TaskView
  seed: Page<CommentView>
  labels: Labels
}) {
  const client = useDataClient()
  const { list } = useResourceList<CommentView>({
    seed,
    rowId: (comment) => comment.commentId,
    read: async ({ after }) =>
      (
        await client.call<Page<CommentView>>("activities.comment.list", {
          ...slugs,
          taskId: task.taskId,
          ...(after ? { after } : {}),
        })
      ).value,
  })
  return (
    <ResourceList
      {...list}
      label={labels.comments}
      columns={[
        {
          id: "body",
          header: labels.comment,
          wrap: true,
          cell: (comment) => (comment.erased ? labels.erased : comment.body),
        },
      ]}
      rowLabel={(comment) => (comment.erased ? labels.erased : comment.body)}
      empty={{ title: labels.emptyComments }}
    />
  )
}
export function CommentForm({ slugs, task, labels }: { slugs: ProjectSlugs; task: TaskView; labels: Labels }) {
  const navigation = usePageNavigation()
  const [requestId, setRequestId] = useState(() => crypto.randomUUID())
  const add = useWrite<Record<string, unknown>, CommentReceipt>("activities.comment.add")
  const submit = async ({ body = "" }: FormValues) => {
    await add.mutate({ ...slugs, taskId: task.taskId, expectedVersion: task.revision, requestId, body })
    await navigation.refresh()
    setRequestId(crypto.randomUUID())
  }
  return (
    <PageSection title={labels.addComment}>
      <FormLayout
        key={requestId}
        describeError={(error) => describeFailure(error, labels)}
        submitLabel={labels.addComment}
        busyLabel={labels.busy}
        onSubmit={submit}
      >
        <TextField name="body" label={labels.comment} required maxLength={10000} />
      </FormLayout>
    </PageSection>
  )
}