import {z} from 'zod'

export type RepositoryID = string;

export type RepositorySet = Array<RepositoryID>;

export type IndexedGroups = Array<Array<number>>;

export type DeveloperID = string;

export type DeploymentWith = {pr_author?: Array<DeveloperID> | undefined, commit_author?: Array<DeveloperID> | undefined, releaser?: Array<DeveloperID> | undefined};

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 ForSetDeployments = {repositories?: RepositorySet | undefined, repogroups?: IndexedGroups | undefined, with?: DeploymentWith | undefined, withgroups?: Array<DeploymentWith> | undefined, pr_labels_include?: Array<string> | undefined, pr_labels_exclude?: Array<string> | undefined, jira?: JIRAFilter | undefined, with_labels?: Record<string, never> | undefined, without_labels?: Record<string, never> | undefined, environments?: Array<string> | undefined, envgroups?: Array<Array<string>> | undefined};

export type DeploymentMetricID = 'dep-count' | 'dep-duration-all' | 'dep-duration-successful' | 'dep-duration-failed' | 'dep-success-count' | 'dep-failure-count' | 'dep-success-ratio' | 'dep-change-failure-count' | 'dep-change-failure-ratio' | 'dep-size-prs' | 'dep-size-releases' | 'dep-size-lines' | 'dep-size-commits' | 'dep-prs-count' | 'dep-releases-count' | 'dep-lines-count' | 'dep-commits-count' | 'dep-jira-issues-count' | 'dep-jira-bug-fixes-count';

export type TimeZone = number;

export type Granularity = string;

export type Granularities = Array<Granularity>;

export type Quantiles = Array<number>;

export type DeploymentMetricsRequest = {for: Array<ForSetDeployments>, metrics: Array<DeploymentMetricID>, date_from: string, date_to: string, timezone?: TimeZone | undefined, granularities: Granularities, quantiles?: Quantiles | undefined, account: number};

export type CreateApiMetricsDeploymentsArgs = {body: DeploymentMetricsRequest};

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

export const repositoryID = z.string();

export const repositorySet = z.array(repositoryID);

export const indexedGroups = z.array(z.array(z.number().int().gte(0)));

export const developerID = z.string();

export const deploymentWith = z.object({pr_author: z.array(developerID).optional(), commit_author: z.array(developerID).optional(), releaser: z.array(developerID).optional()});

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 forSetDeployments = z.object({repositories: repositorySet.optional(), repogroups: indexedGroups.optional(), with: deploymentWith.optional(), withgroups: z.array(deploymentWith).optional(), pr_labels_include: z.array(z.string()).optional(), pr_labels_exclude: z.array(z.string()).optional(), jira: jIRAFilter.optional(), with_labels: z.object({}).optional(), without_labels: z.object({}).optional(), environments: z.array(z.string()).optional(), envgroups: z.array(z.array(z.string())).optional()});

export const deploymentMetricID = z.enum(["dep-count", "dep-duration-all", "dep-duration-successful", "dep-duration-failed", "dep-success-count", "dep-failure-count", "dep-success-ratio", "dep-change-failure-count", "dep-change-failure-ratio", "dep-size-prs", "dep-size-releases", "dep-size-lines", "dep-size-commits", "dep-prs-count", "dep-releases-count", "dep-lines-count", "dep-commits-count", "dep-jira-issues-count", "dep-jira-bug-fixes-count"]);

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 calculatedDeploymentMetric = z.object({for: forSetDeployments, metrics: z.array(deploymentMetricID), granularity: granularity, values: z.array(calculatedLinearMetricValues)});

export const calculatedDeploymentMetrics = z.array(calculatedDeploymentMetric);

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 on deployments submitted by `/events/deployments`.
 * 
 * POST /metrics/deployments
 * 
 * Also accepts auth: apiKeyAuth
 */
export const createApiMetricsDeployments = async (args: CreateApiMetricsDeploymentsArgs, options: CreateApiMetricsDeploymentsOptions) => {
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/deployments${query.size > 0 ? `?${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(calculatedDeploymentMetrics, await res.json())
};