import {z} from 'zod'

export type ExpressiveStyle = 'warm' | 'professional' | 'upbeat' | 'calm' | 'empathetic' | 'confident' | 'dynamic';

export type VoiceTTSProviderDataInput = {provider?: ('elevenlabs' | 'inworld' | null) | undefined, model?: (string | null) | undefined, expressive_speech?: boolean | undefined, expressive_style?: (ExpressiveStyle | null) | undefined};

export type LocalVADParams = {confidence?: number | undefined, start_secs?: number | undefined, stop_secs?: number | undefined, min_volume?: number | undefined};

export type TurnAnalyzerParams = {stop_secs?: number | undefined, pre_speech_ms?: number | undefined, max_duration_secs?: number | undefined};

export type NoiseCancellationProvider = 'rnnoise' | 'dtln';

export type SavedVoiceConfigCreate = {voice_tuning?: ({[key: string]: unknown} | null) | undefined, stt_provider?: (string | null) | undefined, stt_model?: (string | null) | undefined, stt_provider_data?: ({[key: string]: unknown} | null) | undefined, tts_speed?: (number | null) | undefined, tts_provider_data?: (VoiceTTSProviderDataInput | null) | undefined, vad_provider_data?: ({[key: string]: unknown} | null) | undefined, local_vad_params?: (LocalVADParams | null) | undefined, turn_analyzer_params?: (TurnAnalyzerParams | null) | undefined, pronunciation_overrides?: ({[key: string]: string} | null) | undefined, noise_cancellation_enabled?: (boolean | null) | undefined, noise_cancellation_provider?: (NoiseCancellationProvider | null) | undefined, language?: (string | null) | undefined, locale?: (string | null) | undefined, multilingual_enabled?: (boolean | null) | undefined, multilingual_languages?: (Array<string> | null) | undefined, first_speaker?: ('agent' | 'user' | null) | undefined, mode?: ('static' | 'dynamic' | null) | undefined, text?: (string | null) | undefined, instructions?: (string | null) | undefined, interruptible?: (boolean | null) | undefined, ai_disclosure_text?: (string | null) | undefined, name: string, agent_id: unknown, team_id: unknown, persona_id: unknown, voice_id: string};

export type CreateApiV1VoiceSavedConfigsArgs = {body: SavedVoiceConfigCreate};

export type CreateApiV1VoiceSavedConfigsOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const voiceOut = z.object({id: z.string(), provider: z.enum(["elevenlabs", "inworld"]), external_id: z.string(), name: z.string(), description: z.string().nullable().optional(), preview_url: z.string().nullable().optional(), language: z.string().nullable().optional(), accent: z.string().nullable().optional(), category: z.string().nullable().optional(), labels: z.record(z.string(), z.string()).optional(), supported_models: z.array(z.string()).optional(), is_active: z.boolean().optional(), created_at: z.string(), updated_at: z.string()});

export const noiseCancellationProvider = z.enum(["rnnoise", "dtln"]);

export const firstSpeakingConfig = z.object({first_speaker: z.enum(["agent", "user"]).optional(), mode: z.enum(["static", "dynamic"]).optional(), text: z.string().max(1000).nullable().optional(), instructions: z.string().max(2000).nullable().optional(), interruptible: z.boolean().optional(), ai_disclosure_text: z.string().max(500).nullable().optional()});

export const voicePipelineConfigResponse = z.object({id: z.string(), organization_id: z.string().nullable().optional(), name: z.string().nullable().optional(), agent_id: z.string().nullable().optional(), team_id: z.string().nullable().optional(), persona_id: z.string().nullable().optional(), voice_id: z.string(), voice: voiceOut, voice_tuning: z.record(z.string(), z.unknown()).optional(), stt_provider: z.string(), stt_model: z.string().nullable().optional(), stt_language: z.string(), stt_provider_data: z.record(z.string(), z.unknown()).optional(), tts_speed: z.number().nullable().optional(), tts_provider_data: z.record(z.string(), z.unknown()).optional(), vad_provider: z.string(), vad_provider_data: z.record(z.string(), z.unknown()).optional(), local_vad_params: z.record(z.string(), z.unknown()).optional(), turn_analyzer_params: z.record(z.string(), z.unknown()).optional(), interruption_sensitivity: z.number(), hard_turn_timeout_ms: z.number().int().nullable().optional(), min_endpoint_delay_ms: z.number().int(), max_endpoint_delay_ms: z.number().int(), preemptive_generation_enabled: z.boolean(), end_call_phrases: z.array(z.string()).optional(), pronunciation_overrides: z.record(z.string(), z.string()).optional(), noise_cancellation_enabled: z.boolean(), noise_cancellation_provider: noiseCancellationProvider, normalize_for_speech: z.boolean(), audio_in_sample_rate: z.number().int(), audio_out_sample_rate: z.number().int(), metrics_enabled: z.boolean(), usage_metrics_enabled: z.boolean(), heartbeats_period_secs: z.number().int().nullable().optional(), idle_pipeline_timeout_ms: z.number().int().nullable().optional(), language: z.string(), locale: z.string().nullable().optional(), multilingual_enabled: z.boolean(), multilingual_languages: z.array(z.string()).optional(), linked_agent_count: z.number().int().optional(), linked_agent_names: z.array(z.string()).optional(), linked_team_count: z.number().int().optional(), linked_team_names: z.array(z.string()).optional(), metadata_: z.record(z.string(), z.unknown()).optional(), first_speaking_config: firstSpeakingConfig.nullable().optional(), warnings: z.array(z.string()).optional(), effective_stt_model: z.string().nullable().optional(), effective_stt_provider_data: z.record(z.string(), z.unknown()).nullable().optional(), effective_tts_model: z.string().nullable().optional(), created_at: z.string(), updated_at: z.string()});

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 a reusable named voice config
 * 
 * POST /v1/voice/saved-configs
 */
export const createApiV1VoiceSavedConfigs = async (args: CreateApiV1VoiceSavedConfigsArgs, options: CreateApiV1VoiceSavedConfigsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

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

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