import { apiFetch, apiPath, type ApiSettings } from "@govoplan/core-webui";


export type CommitteeObjectKind = "body" | "meeting" | "agenda_item" | "vote" | "minute";

export type CommitteeRecord = {
  tenant_id: string;
  object_kind: CommitteeObjectKind;
  object_id: string;
  revision: number;
  state: string;
  title: string;
  parent_id?: string | null;
  recorded_at: string;
  change_reason: string;
  attributes: Record<string, unknown>;
  context?: Record<string, unknown> | null;
  evidence: Array<Record<string, unknown>>;
  record_refs: Array<Record<string, unknown>>;
};

export type CommitteeRecordList = {
  records: CommitteeRecord[];
  total: number;
  offset: number;
  limit: number;
};

export function listCommitteeRecords(
  settings: ApiSettings,
  kind: CommitteeObjectKind,
  options: {
    parentId?: string;
    query?: string;
    states?: string[];
    limit?: number;
  } = {},
  signal?: AbortSignal
): Promise<CommitteeRecordList> {
  return apiFetch<CommitteeRecordList>(
    settings,
    apiPath(`/api/v1/committee/workspace/${kind}`, {
      parent_id: options.parentId,
      query: options.query,
      state: options.states,
      limit: options.limit ?? 200
    }),
    { signal }
  );
}

export function saveCommitteeRecord(
  settings: ApiSettings,
  record: CommitteeRecord,
  expectedRevision?: number
): Promise<CommitteeRecord> {
  return apiFetch<CommitteeRecord>(
    settings,
    `/api/v1/committee/workspace/${record.object_kind}`,
    {
      method: "POST",
      body: JSON.stringify({
        record,
        idempotency_key: crypto.randomUUID(),
        expected_revision: expectedRevision
      })
    }
  );
}

export function committeeRecordHistory(
  settings: ApiSettings,
  record: CommitteeRecord,
  signal?: AbortSignal
): Promise<{ revisions: CommitteeRecord[] }> {
  return apiFetch(
    settings,
    `/api/v1/committee/workspace/${record.object_kind}/${encodeURIComponent(record.object_id)}/history`,
    { signal }
  );
}

export function finalizeProviderBallot(
  settings: ApiSettings,
  record: CommitteeRecord,
  input: {
    providerBallotRef: string;
    approvalId: string;
    changeReason: string;
  }
): Promise<CommitteeRecord> {
  const providerId = String(record.attributes.provider_id ?? "").trim();
  return apiFetch<CommitteeRecord>(
    settings,
    `/api/v1/committee/workspace/vote/${encodeURIComponent(record.object_id)}/finalize-provider`,
    {
      method: "POST",
      body: JSON.stringify({
        provider_id: providerId,
        provider_ballot_ref: input.providerBallotRef.trim(),
        approval_ref: {
          kind: "approval",
          owner_module: "approvals",
          object_id: input.approvalId.trim(),
          tenant_id: record.tenant_id,
          version: "1"
        },
        expected_revision: record.revision,
        recorded_at: new Date().toISOString(),
        change_reason: input.changeReason.trim(),
        idempotency_key: crypto.randomUUID()
      })
    }
  );
}

export async function finalizeVotingBallot(
  settings: ApiSettings,
  record: CommitteeRecord,
  input: {
    approvalId: string;
    changeReason: string;
  }
): Promise<CommitteeRecord> {
  const ballotId = String(record.attributes.voting_ballot_id ?? "").trim();
  const ballot = await apiFetch<{ revision: number }>(
    settings,
    `/api/v1/voting/${encodeURIComponent(ballotId)}`
  );
  return apiFetch<CommitteeRecord>(
    settings,
    `/api/v1/committee/workspace/vote/${encodeURIComponent(record.object_id)}/finalize-voting`,
    {
      method: "POST",
      body: JSON.stringify({
        voting_ballot_id: ballotId,
        voting_expected_revision: ballot.revision,
        approval_ref: {
          kind: "approval",
          owner_module: "approvals",
          object_id: input.approvalId.trim(),
          tenant_id: record.tenant_id,
          version: "1"
        },
        expected_revision: record.revision,
        recorded_at: new Date().toISOString(),
        change_reason: input.changeReason.trim(),
        idempotency_key: crypto.randomUUID()
      })
    }
  );
}