import {z} from 'zod'

export type UUID = string;

export type CreateProjectHomepageRequest = {duplicateFrom?: string | undefined, name: string};

export type CreateApiApiV1ProjectsProjectUuidHomepageArgs = {projectUuid: UUID, body: CreateProjectHomepageRequest};

export type CreateApiApiV1ProjectsProjectUuidHomepageOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const homepageMarkdownBlock = z.object({config: z.object({content: z.string()}), type: z.literal("markdown"), id: z.string()});

export const homepageAskAiHeroBlock = z.object({config: z.object({showRecommendedActions: z.boolean().optional(), showGreeting: z.boolean()}), type: z.literal("ask-ai-hero"), id: z.string()});

export const homepageCollectionItemRef = z.object({uuid: z.string(), contentType: z.enum(["chart", "dashboard", "space", "data_app"])});

export const homepageCollectionBlock = z.object({config: z.object({items: z.array(homepageCollectionItemRef), title: z.string()}), type: z.literal("collection"), id: z.string()});

export const homepageResourcesLayout = z.enum(["card", "list"]);

export const homepageResourceKind = z.enum(["video", "doc", "link", "claude", "youtube", "data-app"]);

export const homepageResourceItem = z.object({appUuid: z.string().optional(), imageUrl: z.string().optional(), description: z.string().optional(), kind: homepageResourceKind, url: z.string(), title: z.string()});

export const homepageResourcesBlock = z.object({config: z.object({layout: homepageResourcesLayout.optional(), items: z.array(homepageResourceItem), title: z.string()}), type: z.literal("resources"), id: z.string()});

export const homepageAnnouncementsBlock = z.object({config: z.object({title: z.string()}), type: z.literal("announcements"), id: z.string()});

export const homepageMetricRef = z.object({label: z.string(), metricName: z.string(), tableName: z.string()});

export const homepageMetricsBlock = z.object({config: z.object({items: z.array(homepageMetricRef), title: z.string()}), type: z.literal("metrics"), id: z.string()});

export const homepageQuickAction = z.union([z.object({type: z.literal("ask-ai")}), z.object({type: z.literal("run-query")}), z.object({type: z.literal("browse-dashboards")}), z.object({type: z.literal("browse-spaces")}), z.object({label: z.string(), dashboardUuid: z.string(), type: z.literal("dashboard")})]);

export const homepageQuickActionsBlock = z.object({config: z.object({actions: z.array(homepageQuickAction)}), type: z.literal("quick-actions"), id: z.string()});

export const homepageFavoritesBlock = z.object({config: z.object({title: z.string()}), type: z.literal("favorites"), id: z.string()});

export const homepageRecentBlock = z.object({config: z.object({title: z.string()}), type: z.literal("recent"), id: z.string()});

export const homepageBlock = z.union([homepageMarkdownBlock, homepageAskAiHeroBlock, homepageCollectionBlock, homepageResourcesBlock, homepageAnnouncementsBlock, homepageMetricsBlock, homepageQuickActionsBlock, homepageFavoritesBlock, homepageRecentBlock]);

export const homepageRow = z.object({blocks: z.array(homepageBlock), id: z.string()});

export const homepageConfig = z.object({rows: z.array(homepageRow), version: z.literal(1)});

export const projectHomepage = z.object({updatedAt: z.string(), createdAt: z.string(), createdByUserUuid: z.string().nullable(), isDefault: z.boolean(), publishedConfig: homepageConfig.nullable(), draftConfig: homepageConfig, name: z.string(), projectUuid: z.string(), homepageUuid: z.string()});

export const apiProjectHomepageResponse = z.object({results: projectHomepage, status: z.literal("ok")});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * POST /api/v1/projects/{projectUuid}/homepage
 */
export const createApiApiV1ProjectsProjectUuidHomepage = async (args: CreateApiApiV1ProjectsProjectUuidHomepageArgs, options: CreateApiApiV1ProjectsProjectUuidHomepageOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/projects/${encodeURIComponent(String(args.projectUuid))}/homepage${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(apiProjectHomepageResponse, await res.json())
};