import {z} from 'zod'

export type VisibilityLevel = 'public' | 'paid' | 'private' | 'kids';

export type Species = 'human' | 'animal' | 'other';

export type Gender = 'male' | 'female';

export type AgeGroup = 'child' | 'young' | 'adult' | 'senior';

export type PitchGroup = 'low' | 'mid' | 'high';

export type VoiceSortField = 'default' | 'name' | 'pitch' | 'rating' | 'created_at';

export type Direction = 'asc' | 'desc';

export type GetApiApiV2VoicesArgs = {limit?: number | undefined, offset?: number | undefined, visibility?: Array<VisibilityLevel> | undefined, species?: Array<Species> | undefined, gender?: Array<Gender> | undefined, age_group?: Array<AgeGroup> | undefined, pitch_group?: Array<PitchGroup> | undefined, nationality?: Array<string> | undefined, sort?: VoiceSortField | undefined, direction?: Direction | undefined, 'x-csrf-token'?: string | undefined, 'api-key'?: string | undefined, session_id?: string | undefined};

export type GetApiApiV2VoicesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const visibilityLevel = z.enum(["public", "paid", "private", "kids"]);

export const species = z.enum(["human", "animal", "other"]);

export const gender = z.enum(["male", "female"]);

export const ageGroup = z.enum(["child", "young", "adult", "senior"]);

export const pitchGroup = z.enum(["low", "mid", "high"]);

export const accentInfoCore = z.object({name: z.string(), short_name: z.string(), locale: z.string()});

export const subscriptionTierCore = z.object({name: z.string()});

export const accentSettingsPublic = z.object({favorite: z.boolean().optional(), semitones_correction: z.number().optional()});

export const accentPublic = z.object({id: z.string(), is_default: z.boolean(), native: z.boolean(), info: accentInfoCore, tiers: z.array(subscriptionTierCore), available: z.boolean().optional(), settings: accentSettingsPublic.optional()});

export const narrationStyleInfoCore = z.object({name: z.string()});

export const narrationStyleSettingPublic = z.object({favorite: z.boolean().optional()});

export const narrationStylePublic = z.object({id: z.string(), is_default: z.boolean(), info: narrationStyleInfoCore, settings: narrationStyleSettingPublic.optional()});

export const voicePublic = z.object({id: z.string(), owner_id: z.string(), name: z.string(), slug: z.string(), visibility: visibilityLevel, species: species.optional(), artist: z.string().optional(), verified_artist: z.boolean().optional(), gender: gender.optional(), pitch: z.number().optional(), age_group: ageGroup.optional(), pitch_group: pitchGroup.optional(), nationality: z.string().optional(), image_url: z.string().optional(), thumbnail_url: z.string().optional(), description: z.string().max(2048).optional(), rating: z.number().int().gte(0).lte(100), active: z.boolean(), created_at: z.string(), favorite: z.boolean().optional(), available: z.boolean().optional(), accents: z.array(accentPublic), narration_styles: z.array(narrationStylePublic), tiers: z.array(subscriptionTierCore)});

export const pagination = z.object({count: z.number().int(), limit: z.number().int(), offset: z.number().int()});

export const voiceListResponse = z.object({list: z.array(voicePublic), pagination: pagination});

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
};

/**
 * Voice List
 * 
 * GET /api/v2/voices
 */
export const getApiApiV2Voices = async (args: GetApiApiV2VoicesArgs, options: GetApiApiV2VoicesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
const cookies: string[] = []
headers.set('accept', "application/json")

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
for (const item of args.visibility ?? []) query.append("visibility", String(item))
for (const item of args.species ?? []) query.append("species", String(item))
for (const item of args.gender ?? []) query.append("gender", String(item))
for (const item of args.age_group ?? []) query.append("age_group", String(item))
for (const item of args.pitch_group ?? []) query.append("pitch_group", String(item))
for (const item of args.nationality ?? []) query.append("nationality", String(item))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.direction != null) query.append("direction", String(args.direction))
if (args['x-csrf-token'] != null) headers.set("x-csrf-token", String(args['x-csrf-token']))
if (args['api-key'] != null) headers.set("api-key", String(args['api-key']))
if (args.session_id != null) cookies.push("session_id=" + encodeURIComponent(String(args.session_id)))
if (cookies.length > 0) headers.set('cookie', cookies.join('; '))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/voices${query.size > 0 ? `?${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(voiceListResponse, await res.json())
};