import {z} from 'zod'

export type SupportedGeojsonGeometry = {type: 'Polygon', coordinates: Array<Array<Array<unknown>>>, bbox?: Array<number> | undefined};

export type PipelineCalculatorRequest = {resolution: 'low' | 'medium' | 'high' | 'very_high', location: SupportedGeojsonGeometry | {ref: {uri: string}}, start_date?: string | undefined, end_date?: string | undefined, interval?: string | undefined, tasking?: boolean | undefined, return_probability_of_collection?: boolean | undefined, output?: ({id?: string | undefined}) | undefined, source?: string | undefined};

export type CreateApiPipelinesCalculateArgs = {body: PipelineCalculatorRequest};

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

export const pipelineCalculatorResponse = z.object({data: z.object({plan: z.enum(["test", "build", "scale"]).optional(), resolution: z.enum(["low", "medium", "high", "very_high"]).optional(), source: z.string().optional(), area_km2: z.number().gte(0).optional(), archive: z.object({price_km2: z.number().gte(0).optional(), minimum_area_km2: z.number().gte(0).optional(), discount_price_km2: z.number().gte(0).lte(100).optional(), interval_quantity: z.number().gte(0).optional(), interval_cost: z.number().gte(0).optional(), max_cost: z.number().gte(0).optional()}).optional(), tasking: z.object({price_km2: z.number().gte(0).optional(), minimum_area_km2: z.number().gte(0).optional(), discount_price_km2: z.number().gte(0).lte(100).optional(), interval_quantity: z.number().gte(0).optional(), interval_cost: z.number().gte(0).optional(), max_cost: z.number().gte(0).optional(), probability_of_collection: z.array(z.object({interval_start: z.string(), interval_end: z.string(), probability_percent: z.number().gte(0), probability_reason: z.string().min(1).optional()})).optional()}).optional(), max_cost: z.number().gte(0).optional(), prepurchase_balance: z.number().gte(0).optional()})});

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
};

/**
 * Calculate cost of area and intervals and probability of collection
 * 
 * POST /pipelines/calculate
 */
export const createApiPipelinesCalculate = async (args: CreateApiPipelinesCalculateArgs, options?: CreateApiPipelinesCalculateOptions) => {
const {baseUrl = "https://api.skywatch.co/earthcache", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

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

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