import {z} from 'zod'

export type DateISO = string;

export type CreateTaskRawLinkDto = {taskLinkId: string | null, entityType: 'candidate' | 'client' | 'vacancy' | 'clientContact' | 'user' | 'team' | 'opportunity', entityId: string};

export type CreateTaskRawDto = {content: string, dueDate: DateISO | null, assignedToUserId: string | null, links: Array<CreateTaskRawLinkDto>};

export type CreateApiTasksRawArgs = {body: CreateTaskRawDto};

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

export const dateISO = z.string();

export const userBadgeDto = z.object({id: z.string(), name: z.string(), avatarUrl: z.string().nullable(), deactivatedAt: dateISO.nullable()});

export const taskMetadataDto = z.union([z.object({outreachSequenceId: z.string(), outreachSequenceName: z.string(), outreachSequenceRunId: z.string(), type: z.literal("GENERIC_TASK")}), z.object({outreachSequenceId: z.string(), outreachSequenceName: z.string(), outreachSequenceRunId: z.string(), type: z.literal("PHONE_CALL_TASK"), phoneNumber: z.string().nullable()}), z.object({outreachSequenceId: z.string(), outreachSequenceName: z.string(), outreachSequenceRunId: z.string(), type: z.literal("LINKEDIN_CONNECTION_REQUEST_TASK"), linkedInUrl: z.string().nullable()}), z.object({outreachSequenceId: z.string(), outreachSequenceName: z.string(), outreachSequenceRunId: z.string(), type: z.literal("LINKEDIN_MESSAGE_TASK"), linkedInUrl: z.string().nullable(), messageBody: z.string().nullable()}), z.object({outreachSequenceId: z.string(), outreachSequenceName: z.string(), outreachSequenceRunId: z.string(), type: z.literal("WHATSAPP_MESSAGE_TASK"), phoneNumber: z.string().nullable(), messageBody: z.string().nullable()})]);

export const candidateLinkDto = z.object({taskLinkId: z.string(), isMention: z.boolean(), id: z.string(), firstName: z.string(), lastName: z.string(), middleName: z.string().nullable(), secondLastName: z.string().nullable(), avatarUrl: z.string().nullable()});

export const vacancyLinkDto = z.object({taskLinkId: z.string(), isMention: z.boolean(), id: z.string(), name: z.string(), companyId: z.string(), companyName: z.string(), companyLogoUrl: z.string().nullable()});

export const clientLinkDto = z.object({taskLinkId: z.string(), isMention: z.boolean(), id: z.string(), name: z.string(), logoUrl: z.string().nullable()});

export const userLinkDto = z.object({taskLinkId: z.string(), isMention: z.boolean(), id: z.string(), name: z.string(), avatarUrl: z.string().nullable(), deactivatedAt: dateISO.nullable()});

export const teamLinkDto = z.object({taskLinkId: z.string(), isMention: z.boolean(), id: z.string(), name: z.string(), avatarUrl: z.string().nullable()});

export const clientContactLinkDto = z.object({taskLinkId: z.string(), isMention: z.boolean(), id: z.string(), firstName: z.string(), lastName: z.string(), middleName: z.string().nullable(), secondLastName: z.string().nullable(), avatarUrl: z.string().nullable(), candidateId: z.string(), companyId: z.string(), companyName: z.string(), companyLogoUrl: z.string().nullable()});

export const companyBadgeDto = z.object({id: z.string(), name: z.string(), logoUrl: z.string().nullable()});

export const opportunityLinkDto = z.object({taskLinkId: z.string(), isMention: z.boolean(), id: z.string(), name: z.string(), company: companyBadgeDto});

export const taskLinksDto = z.object({candidates: z.array(candidateLinkDto), vacancies: z.array(vacancyLinkDto), clients: z.array(clientLinkDto), users: z.array(userLinkDto), teams: z.array(teamLinkDto), clientContacts: z.array(clientContactLinkDto), opportunities: z.array(opportunityLinkDto)});

export const taskLabelDto = z.object({id: z.string(), name: z.string(), colorHex: z.string()});

export const taskDto = z.object({id: z.string(), content: z.string(), dueDate: dateISO.nullable(), isCompleted: z.boolean(), completedAt: dateISO.nullable(), createdAt: dateISO, createdBy: userBadgeDto.nullable(), assignedTo: userBadgeDto.nullable(), source: z.enum(["MANUAL", "AI_SUGGESTION", "OUTREACH_SEQUENCE_STEP", "AUTOMATION"]), metadata: taskMetadataDto.nullable(), links: taskLinksDto, labels: z.array(taskLabelDto)});

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
};

/**
 * Create task
 * 
 * POST /tasks/_raw
 */
export const createApiTasksRaw = async (args: CreateApiTasksRawArgs, options: CreateApiTasksRawOptions) => {
const {baseUrl, fetch: fetchFn = fetch, xApiKey} = options ?? {}

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

if (xApiKey !== undefined) headers.set("x-api-key", xApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/tasks/_raw${query.size > 0 ? `?${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(taskDto, await res.json())
};