import {z} from 'zod'

export type GetApiV2StorageBranchBranchIdChangesTablesArgs = {branchId: string};

export type GetApiV2StorageBranchBranchIdChangesTablesOptions = {baseUrl?: string | undefined, StorageKey?: string | undefined, fetch?: typeof fetch | undefined};

export const columnDefinitionResponse = z.object({type: z.string(), length: z.string().nullable(), nullable: z.boolean()});

export const tableChangeColumnResponse = z.object({name: z.string(), definition: columnDefinitionResponse.nullable()});

export const columnOrderChangeResponse = z.object({production: z.array(z.string()), branch: z.array(z.string()), columns: z.array(z.object({name: z.string(), productionPosition: z.number().int().nullable(), branchPosition: z.number().int().nullable()}))});

export const tableSchemaChangesResponse = z.object({addedColumns: z.array(tableChangeColumnResponse), removedColumns: z.array(tableChangeColumnResponse), typeChangedColumns: z.array(z.object({name: z.string(), production: columnDefinitionResponse.nullable(), branch: columnDefinitionResponse.nullable()})), primaryKey: z.object({production: z.array(z.string()), branch: z.array(z.string())}).nullable(), columnOrder: columnOrderChangeResponse.nullable()});

export const tableChangeResponse = z.object({id: z.string(), name: z.string(), displayName: z.string(), bucket: z.object({id: z.string(), name: z.string(), displayName: z.string()}), changeType: z.enum(["new", "modified", "deleted"]), isTyped: z.boolean(), summary: z.object({addedColumns: z.number().int(), removedColumns: z.number().int(), typeChangedColumns: z.number().int(), primaryKeyChanged: z.boolean(), columnOrderChanged: z.boolean()}), columns: z.array(tableChangeColumnResponse).optional(), primaryKey: z.array(z.string()).optional(), changes: tableSchemaChangesResponse.optional()});

export const tableChangesListResponse = z.object({tables: z.array(tableChangeResponse)});

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
};

/**
 * List table changes in a development branch
 * 
 * GET /v2/storage/branch/{branchId}/changes/tables
 * 
 * Also accepts auth: ManageKey, BearerAuth
 */
export const getApiV2StorageBranchBranchIdChangesTables = async (args: GetApiV2StorageBranchBranchIdChangesTablesArgs, options?: GetApiV2StorageBranchBranchIdChangesTablesOptions) => {
const {baseUrl = "https://connection.keboola.com", fetch: fetchFn = fetch, StorageKey} = options ?? {}

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

if (StorageKey !== undefined) headers.set("X-StorageApi-Token", StorageKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/storage/branch/${encodeURIComponent(String(args.branchId))}/changes/tables${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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