import {z} from 'zod'

export type GetApiApiV1DashboardAnalyticsArgs = {tracker?: Array<string> | undefined, team_id?: (Array<string> | null) | undefined, company_user_id?: (Array<string> | null) | undefined, period?: ('today' | 'last_24h' | 'last_7d' | 'this_week' | 'last_30d' | 'this_month' | 'last_90d' | 'this_year' | 'custom' | null) | undefined, from?: (string | null) | undefined, to?: (string | null) | undefined, tz?: (string | null) | undefined, chartMetrics?: (Array<'clicks' | 'uniqueClicks' | 'installs' | 'leads' | 'firstSales' | 'repeatedSales' | 'totalEvents' | 'blockedEvents' | 'whiteClicks' | 'blackClicks'> | null) | undefined, summaryMetrics?: (Array<'totalClicks' | 'uniqueClicks' | 'totalInstalls' | 'totalLeads' | 'totalFirstSales' | 'totalRepeatedSales' | 'totalEvents' | 'blockedEvents' | 'uniqueUsers' | 'repeatBuyers' | 'whiteClicks' | 'blackClicks'> | null) | undefined};

export type GetApiApiV1DashboardAnalyticsOptions = {baseUrl: string, OAuth2PasswordBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const dashboardAnalyticsSummaryDTO = z.object({totalClicks: z.number().int().optional(), uniqueClicks: z.number().int().optional(), totalInstalls: z.number().int().optional(), totalLeads: z.number().int().optional(), totalFirstSales: z.number().int().optional(), totalRepeatedSales: z.number().int().optional(), totalEvents: z.number().int().optional(), blockedEvents: z.number().int().optional(), repeatBuyers: z.number().int().optional(), whiteClicks: z.number().int().optional(), blackClicks: z.number().int().optional(), uniqueUsers: z.number().int().nullable().optional()});

export const dashboardTrendPointDTO = z.object({timestamp: z.string(), clicks: z.number().int().nullable().optional(), uniqueClicks: z.number().int().nullable().optional(), installs: z.number().int().nullable().optional(), leads: z.number().int().nullable().optional(), firstSales: z.number().int().nullable().optional(), repeatedSales: z.number().int().nullable().optional(), totalEvents: z.number().int().nullable().optional(), blockedEvents: z.number().int().nullable().optional(), whiteClicks: z.number().int().nullable().optional(), blackClicks: z.number().int().nullable().optional()});

export const dashboardAnalyticsWindowDTO = z.object({startDate: z.string(), endDate: z.string(), summary: dashboardAnalyticsSummaryDTO, dataPoints: z.array(dashboardTrendPointDTO).optional()});

export const dashboardAnalyticsResponseDTO = z.object({period: z.enum(["today", "last_24h", "last_7d", "this_week", "last_30d", "this_month", "last_90d", "this_year", "custom"]), interval: z.enum(["hour", "day", "week"]), current: dashboardAnalyticsWindowDTO, previous: dashboardAnalyticsWindowDTO});

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
};

/**
 * Analytics for current + previous period
 * 
 * GET /api/v1/dashboard/analytics
 */
export const getApiApiV1DashboardAnalytics = async (args: GetApiApiV1DashboardAnalyticsArgs, options: GetApiApiV1DashboardAnalyticsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

for (const item of args.tracker ?? []) query.append("tracker", String(item))
for (const item of args.team_id ?? []) query.append("team_id", String(item))
for (const item of args.company_user_id ?? []) query.append("company_user_id", String(item))
if (args.period != null) query.append("period", String(args.period))
if (args.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))
if (args.tz != null) query.append("tz", String(args.tz))
for (const item of args.chartMetrics ?? []) query.append("chartMetrics", String(item))
for (const item of args.summaryMetrics ?? []) query.append("summaryMetrics", String(item))
if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/dashboard/analytics${query.size > 0 ? `?${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(dashboardAnalyticsResponseDTO, await res.json())
};