import {z} from 'zod'

export type Condition = {field_id: string, operator: 'is_filled' | 'is_empty' | 'equals' | 'not_equals' | 'contains' | 'not_contains' | 'greater_than' | 'less_than' | 'greater_than_or_equal' | 'less_than_or_equal', value?: (string | number | null) | undefined};

export type ConditionGroup = {conditions: Array<Condition>};

export type ConditionSet = {logic: 'and' | 'or', groups: Array<ConditionGroup>};

export type TemplateSealParticipantInput = {seal_id: string, order: number, temp_id?: string | undefined};

export type UpdateApiTemplatesIdArgs = {id: string, body: {template_properties?: ({name?: string | undefined, description?: string | undefined, document?: string | undefined, document_id?: string | undefined, expiration_hours?: number | undefined, settings?: ({allow_editing_before_sending?: boolean | undefined, attach_pdf_on_finish?: boolean | undefined, allow_download?: boolean | undefined, hand_drawn_only?: boolean | undefined, require_otp_verification?: (boolean | null) | undefined, disable_guided_navigation?: (boolean | null) | undefined, allow_presigning_download?: (boolean | null) | undefined, show_qr_code?: (boolean | null) | undefined, allow_decline?: (boolean | null) | undefined, show_save_for_later?: (boolean | null) | undefined}) | undefined}) | undefined, users?: (Array<{id?: string | undefined, first_name: string, last_name?: string | undefined, email: string, designation: 'Signer' | 'Approver' | 'CC', order: number, phone_number?: string | undefined, street_address?: string | undefined, city?: string | undefined, state_province?: string | undefined, postal_code?: string | undefined, country?: string | undefined, title?: string | undefined, company?: string | undefined}>) | undefined, force_remove_conditions?: boolean | undefined, deleted_users?: (Array<{user_id: string, field_action: 'delete' | 'reassign', reassign_to_user_id?: string | undefined}>) | undefined, fields?: (Array<{id?: string | undefined, type: 'signature' | 'text' | 'date' | 'checkbox' | 'dropdown' | 'approval_signature' | 'approval_checkmark' | 'approval_date', x: number, y: number, width: number, height: number, page: number, required?: boolean | undefined, assigned_to_user_id?: string | undefined, options?: Array<string> | undefined, default_to_signing_date?: boolean | undefined, multi_group_id?: string | undefined, variable_name?: string | undefined, variable_defined_name?: (string | null) | undefined, required_conditions?: ConditionSet | undefined, visibility_conditions?: ConditionSet | undefined}>) | undefined, reminders?: (Array<{id?: string | undefined, hours: number, all_users?: boolean | undefined, user_id?: string | undefined, subject: string, message: string}>) | undefined, documents_layout_version?: number | undefined, seal_participants?: Array<TemplateSealParticipantInput> | undefined}};

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

export const signingRequestSettings = z.object({allow_download: z.boolean().optional(), attach_pdf_on_finish: z.boolean().optional(), allow_editing_before_sending: z.boolean().optional(), use_signing_order: z.boolean().optional(), hand_drawn_only: z.boolean().optional(), send_signing_email: z.boolean().optional(), send_finish_email: z.boolean().optional(), send_expiration_email: z.boolean().optional(), send_cancellation_email: z.boolean().optional(), require_otp_verification: z.boolean().nullable().optional(), disable_guided_navigation: z.boolean().nullable().optional(), allow_presigning_download: z.boolean().nullable().optional(), show_qr_code: z.boolean().nullable().optional(), allow_decline: z.boolean().nullable().optional(), show_save_for_later: z.boolean().nullable().optional(), identity_editable_fields: z.array(z.string()).nullable().optional(), notify_identity_change_email: z.boolean().optional()});

export const templateUser = z.object({id: z.string(), name: z.string().optional(), email: z.string(), first_name: z.string().nullable(), last_name: z.string().nullable().optional(), designation: z.enum(["Signer", "Approver", "CC"]), order: z.number().int().gte(1), phone_number: z.string().nullable().optional(), street_address: z.string().nullable().optional(), city: z.string().nullable().optional(), state_province: z.string().nullable().optional(), postal_code: z.string().nullable().optional(), country: z.string().nullable().optional(), title: z.string().nullable().optional(), company: z.string().nullable().optional(), required_fields: z.array(z.string()).optional(), missing_fields: z.array(z.string()).optional(), required_read_only_fields: z.array(z.object({variable_name: z.string().nullable().optional(), variable_defined_name: z.string().nullable().optional(), field_type: z.string().optional()})).optional(), ready_to_send: z.boolean().optional()});

export const dateFormatRules = z.object({dateFormat: z.enum(["MM/dd/yyyy", "dd/MM/yyyy", "yyyy-MM-dd", "MMMM dd, yyyy", "MMM dd, yyyy", "dd MMMM yyyy"]).optional(), fontSize: z.number().int().gte(8).lte(48).optional()});

export const fieldValidationRules = z.record(z.string(), z.unknown()).nullable();

export const templateField = z.object({id: z.string(), type: z.enum(["text", "signature", "date", "checkbox", "dropdown", "radio_buttons", "number", "text_area", "file", "initial", "stamp", "approval_signature", "approval_checkmark", "approval_date"]), required: z.boolean().optional(), recipient_id: z.string().nullable().optional(), variable_name: z.string().nullable().optional(), variable_defined_name: z.string().nullable().optional(), position: z.object({x: z.number().gte(0).lte(100).optional(), y: z.number().gte(0).lte(100).optional(), width: z.number().gte(0).lte(100).optional(), height: z.number().gte(0).lte(100).optional()}).optional(), page_number: z.number().int().gte(1).nullable(), dropdown_options: z.union([z.array(z.string()), z.object({})]).nullable().optional(), multi_group_id: z.string().nullable().optional(), date_default: z.string().nullable().optional(), date_signing_default: z.boolean().optional(), format_rules: dateFormatRules.optional(), validation_rules: fieldValidationRules.optional(), read_only: z.boolean().optional(), read_only_value: z.string().nullable().optional()});

export const documentSummary = z.object({document_id: z.string().nullable(), position: z.number().int().gte(1), label: z.string().max(200).nullable(), original_filename: z.string().max(255).nullable(), page_count: z.number().int().nullable(), document_url: z.string().nullable().optional(), document_url_kind: z.enum(["stored", "signed", "null"]).nullable(), document_only_hash: z.string().nullable().optional()});

export const sealParticipantApi = z.object({id: z.string(), order: z.number().int().gte(1), seal: z.object({id: z.string(), lineage_id: z.string(), name: z.string(), version: z.number().int(), display_name: z.string()}), status: z.enum(["pending", "paused", "applied"]), applied_at: z.string().nullable(), paused_at: z.string().nullable(), pause_reason: z.enum(["seal_revoked_stop_pending", "seal_integrity_mismatch", "null"]).nullable(), swapped_from_seal_id: z.string().nullable(), triggered_by_recipient_id: z.string().nullable(), sender_kind: z.enum(["dashboard", "api_key", "embedded", "null"]).nullable(), seal_out_of_scope: z.boolean()});

export const templateDetail = z.object({id: z.string(), name: z.string().max(255), description: z.string().nullable().optional(), document_url: z.string().optional(), document_url_expires_at: z.string().nullable().optional(), page_count: z.number().int().gte(1).optional(), expiration_hours: z.number().int().gte(1).optional(), credit_cost: z.number().int().gte(1).optional(), settings: signingRequestSettings.optional(), recipients: z.array(templateUser).optional(), fields: z.array(templateField).optional(), created_date: z.string(), updated_date: z.string().optional(), documents: z.array(documentSummary).optional(), documents_version: z.number().int().optional(), documents_layout_version: z.number().int().optional(), seal_participants: z.array(sealParticipantApi)});

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
};

/**
 * Comprehensive Template Update
 * 
 * PUT /templates/{id}
 */
export const updateApiTemplatesId = async (args: UpdateApiTemplatesIdArgs, options?: UpdateApiTemplatesIdOptions) => {
const {baseUrl = "https://api.firma.dev/functions/v1/signing-request-api", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/templates/${encodeURIComponent(String(args.id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(templateDetail, await res.json())
};