import {z} from 'zod'

export type RepositoryID = string;

export type RepositorySet = Array<RepositoryID>;

export type DeveloperID = string;

export type JIRAStatusCategory = 'To Do' | 'In Progress' | 'Done' | 'No Category';

export type JIRAFilter = {epics?: Array<string> | undefined, labels_include?: Array<string> | undefined, labels_exclude?: Array<string> | undefined, issue_types?: Array<string> | undefined, priorities?: Array<string> | undefined, projects?: Array<string> | undefined, status_categories?: Array<JIRAStatusCategory> | undefined, unmapped?: boolean | undefined};

export type ForSetDevelopers = {repositories: RepositorySet, developers: Array<DeveloperID>, repogroups?: Array<Array<number>> | undefined, aggregate_devgroups?: Array<Array<number>> | undefined, labels_include?: Array<string> | undefined, labels_exclude?: Array<string> | undefined, jira?: JIRAFilter | undefined};

export type DeveloperMetricID = 'dev-commits-pushed' | 'dev-lines-changed' | 'dev-prs-created' | 'dev-prs-reviewed' | 'dev-prs-merged' | 'dev-releases' | 'dev-reviews' | 'dev-review-approvals' | 'dev-review-rejections' | 'dev-review-neutrals' | 'dev-pr-comments' | 'dev-regular-pr-comments' | 'dev-review-pr-comments' | 'dev-active' | 'dev-active0' | 'dev-worked';

export type TimeZone = number;

export type Granularity = string;

export type Granularities = Array<Granularity>;

export type DeveloperMetricsRequest = {for: Array<ForSetDevelopers>, metrics: Array<DeveloperMetricID>, date_from: string, date_to: string, timezone?: TimeZone | undefined, account: number, granularities: Granularities};

export type CreateApiMetricsDevelopersArgs = {body: DeveloperMetricsRequest};

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

export const repositoryID = z.string();

export const repositorySet = z.array(repositoryID);

export const developerID = z.string();

export const jIRAStatusCategory = z.enum(["To Do", "In Progress", "Done", "No Category"]);

export const jIRAFilter = z.object({epics: z.array(z.string()).optional(), labels_include: z.array(z.string()).optional(), labels_exclude: z.array(z.string()).optional(), issue_types: z.array(z.string()).optional(), priorities: z.array(z.string()).optional(), projects: z.array(z.string()).optional(), status_categories: z.array(jIRAStatusCategory).optional(), unmapped: z.boolean().optional()});

export const forSetDevelopers = z.object({repositories: repositorySet, developers: z.array(developerID), repogroups: z.array(z.array(z.number().int().gte(0))).optional(), aggregate_devgroups: z.array(z.array(z.number().int().gte(0))).optional(), labels_include: z.array(z.string()).optional(), labels_exclude: z.array(z.string()).optional(), jira: jIRAFilter.optional()});

export const granularity = z.string();

export const timeDuration = z.string();

export const calculatedLinearMetricValues = z.object({date: z.string(), values: z.array(z.union([z.number(), timeDuration, z.object({})])), confidence_mins: z.array(z.union([z.number().nullable(), timeDuration])).optional(), confidence_maxs: z.array(z.union([z.number().nullable(), timeDuration])).optional(), confidence_scores: z.array(z.number().int().nullable()).optional()});

export const calculatedDeveloperMetricsItem = z.object({for: forSetDevelopers, granularity: granularity, values: z.array(z.array(calculatedLinearMetricValues))});

export const developerMetricID = z.enum(["dev-commits-pushed", "dev-lines-changed", "dev-prs-created", "dev-prs-reviewed", "dev-prs-merged", "dev-releases", "dev-reviews", "dev-review-approvals", "dev-review-rejections", "dev-review-neutrals", "dev-pr-comments", "dev-regular-pr-comments", "dev-review-pr-comments", "dev-active", "dev-active0", "dev-worked"]);

export const timeZone = z.number().int().gte(-720).lte(780);

export const granularities = z.array(granularity);

export const calculatedDeveloperMetrics = z.object({calculated: z.array(calculatedDeveloperMetricsItem), metrics: z.array(developerMetricID), date_from: z.string(), date_to: z.string(), timezone: timeZone.optional(), granularities: granularities});

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 metrics over developer activities.
 * 
 * POST /metrics/developers
 * 
 * Also accepts auth: apiKeyAuth
 */
export const createApiMetricsDevelopers = async (args: CreateApiMetricsDevelopersArgs, options: CreateApiMetricsDevelopersOptions) => {
const {baseUrl, 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 = `${baseUrl.replace(/\/+$/, '')}/metrics/developers${query.size > 0 ? `?${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(calculatedDeveloperMetrics, await res.json())
};