import {z} from 'zod'

export type TextOverlayBackground = {color: string, type: 'solid'};

export type TextOverlayBackgroundPadding = number;

export type TextOverlayBackgroundShape = 'none' | 'regular' | 'squircle';

export type TextOverlayFontFamily = 'Inter' | 'Roboto Mono' | 'Archivo' | 'Barlow' | 'Caveat' | 'DM Sans' | 'Figtree' | 'Lora' | 'Merriweather' | 'Montserrat' | 'Nunito Sans' | 'Open Sans' | 'Oswald' | 'Playfair Display' | 'Poppins' | 'Raleway' | 'Roboto' | 'Roboto Flex' | 'Source Sans 3' | 'Space Grotesk';

export type TextOverlayLetterSpacing = number;

export type TextOverlayOutline = string | null;

export type TextOverlayTextAlign = 'left' | 'center' | 'right';

export type SaveTextPresetRequest = {background?: TextOverlayBackground | undefined, backgroundPadding?: TextOverlayBackgroundPadding | undefined, backgroundShape?: TextOverlayBackgroundShape | undefined, color?: string | undefined, fontFamily?: TextOverlayFontFamily | undefined, fontSizeScale?: number | undefined, fontWeight?: number | undefined, fontWidth?: number | undefined, letterSpacing?: TextOverlayLetterSpacing | undefined, name: string, outline?: TextOverlayOutline | undefined, textAlign?: TextOverlayTextAlign | undefined, textOverlayId?: string | undefined, videoId?: string | undefined};

export type CreateApiV1TextPresetsArgs = {body: SaveTextPresetRequest};

export type CreateApiV1TextPresetsOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const textOverlayBackgroundOutput = z.object({color: z.string(), type: z.literal("solid")});

export const textOverlayBackgroundPadding = z.number().gte(0).lte(1);

export const textOverlayBackgroundShape = z.enum(["none", "regular", "squircle"]);

export const textOverlayLetterSpacing = z.number().gte(-0.2).lte(1);

export const textOverlayOutline = z.string().nullable();

export const textOverlayTextAlign = z.enum(["left", "center", "right"]);

export const textPresetStyle = z.object({background: textOverlayBackgroundOutput, backgroundPadding: textOverlayBackgroundPadding, backgroundShape: textOverlayBackgroundShape, color: z.string(), fontFamily: z.string(), fontSizeScale: z.number().gt(0), fontWeight: z.number(), fontWidth: z.number(), letterSpacing: textOverlayLetterSpacing, outline: textOverlayOutline, textAlign: textOverlayTextAlign});

export const textPreset = z.object({name: z.string(), presetId: z.string(), scope: z.enum(["default", "personal"]), style: textPresetStyle});

export const createApiV1TextPresetsResponse = z.object({preset: textPreset});

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
};

/**
 * Save a text preset
 * 
 * POST /v1/text-presets
 */
export const createApiV1TextPresets = async (args: CreateApiV1TextPresetsArgs, options?: CreateApiV1TextPresetsOptions) => {
const {baseUrl = "https://api.tella.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/text-presets${query.size > 0 ? `?${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(createApiV1TextPresetsResponse, await res.json())
};