import type { RectificationRpcClient } from "../src/lib/rectification-agentic/v9/tool-service.ts";

export type FakeRpcHandler = (
  fn: string,
  args: Record<string, unknown>,
) => unknown | Promise<unknown>;

export type FakeAccounting = {
  calls: Array<{ fn: string; args: Record<string, unknown> }>;
  client: RectificationRpcClient;
};

export function fakeAccounting(
  handlers: Partial<Record<string, FakeRpcHandler>>,
  options: { fallback?: FakeRpcHandler } = {},
): FakeAccounting {
  const calls: Array<{ fn: string; args: Record<string, unknown> }> = [];
  const client: RectificationRpcClient = {
    rpc(fn, args) {
      calls.push({ fn, args });
      const handler = handlers[fn] ?? options.fallback;
      if (!handler) {
        return Promise.resolve({
          data: null,
          error: { message: `unexpected rpc ${fn}` },
        });
      }
      return Promise.resolve()
        .then(() => handler(fn, args))
        .then(
          (data) => ({ data, error: null }),
          (error: unknown) => ({
            data: null,
            error: { message: error instanceof Error ? error.message : String(error) },
          }),
        );
    },
  };
  return { calls, client };
}

export const CASE_ID = "11111111-1111-4111-8111-111111111111";
export const SESSION_ID = "22222222-2222-4222-8222-222222222222";
export const TURN_ID = "33333333-3333-4333-8333-333333333333";
export const ATTEMPT_ID = "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa";
export const FOCUS_ID = "abababab-abab-4bab-8bab-abababababab";
export const EVIDENCE_ID = "44444444-4444-4444-8444-444444444444";
export const RESULT_ID = "55555555-5555-4555-8555-555555555555";
export const CANDIDATE_ID = "88888888-8888-4888-8888-888888888881";
export const SECOND_CANDIDATE_ID = "88888888-8888-4888-8888-888888888882";
export const USER_ID = "66666666-6666-4666-8666-666666666666";
export const SOURCE_TURN_ID = "77777777-7777-4777-8777-777777777777";
export const RECTIFICATION_SKILL_SHA256 = "5acb3103e80993ea611b93d2c1746e70b74aff8f8636bcffc80a837b954b470d";
export const RECTIFICATION_SKILL_SOURCE_COMMIT = "0fd111d16b45796086a6c1d0945dbd3de6755d8a";

export const CANDIDATE_RANGE = { start_time: "04:50", end_time: "05:10" };

export function dossierFixture(overrides: {
  status?: string;
  turnCount?: number;
  evidenceCount?: number;
  latestResult?: unknown;
  evidence?: unknown[];
  turns?: unknown[];
  candidateRange?: { start_time: string; end_time: string } | null;
  conversationSummary?: unknown;
} = {}) {
  return {
    case: {
      case_id: CASE_ID,
      session_id: SESSION_ID,
      status: overrides.status ?? "collecting_evidence",
      skill_name: "jyotish-birth-time-rectification",
      skill_version: "9.0.0",
      candidate_range: overrides.candidateRange ?? CANDIDATE_RANGE,
      accepted_time: null,
      confirmed_time: null,
      completed_at: null,
      closed_reason: null,
      last_activity_at: "2026-08-12T10:00:00.000Z",
      evidence_count: overrides.evidenceCount ?? 1,
      turn_count: overrides.turnCount ?? 2,
    },
    turns: overrides.turns ?? [
      {
        id: TURN_ID,
        role: "user",
        text: "2016年9月离开家去北京开始工作",
        status: "completed",
        created_at: "2026-08-12T10:00:00.000Z",
        completed_at: "2026-08-12T10:00:05.000Z",
      },
    ],
    evidence: overrides.evidence ?? [
      {
        id: EVIDENCE_ID,
        source_turn_id: TURN_ID,
        subject: "self",
        event_kind: "career_entry",
        domain: "career",
        occurred_from: "2016-09-01",
        occurred_to: null,
        date_precision: "month",
        summary: "2016年9月离家去北京开始工作",
        status: "confirmed",
        supersedes_evidence_id: null,
        created_at: "2026-08-12T10:00:06.000Z",
      },
    ],
    conversation_summary: overrides.conversationSummary ?? {
      confirmed_evidence_summary: [],
      pending_revisions: [],
      active_focus: null,
      declined_skipped_topics: [],
      candidate_divergence_summary: null,
      missing_evidence_categories: [],
      last_result_policy: null,
      summary_version: 1,
      updated_at: "2026-08-12T10:00:06.000Z",
    },
    latest_result: overrides.latestResult ?? null,
  };
}


export function conversationSummaryFixture(overrides: {
  activeFocus?: unknown;
  declinedSkippedTopics?: unknown[];
  pendingRevisions?: unknown[];
} = {}) {
  return {
    confirmed_evidence_summary: [],
    pending_revisions: overrides.pendingRevisions ?? [],
    active_focus: overrides.activeFocus ?? null,
    declined_skipped_topics: overrides.declinedSkippedTopics ?? [],
    candidate_divergence_summary: null,
    missing_evidence_categories: [],
    last_result_policy: null,
    summary_version: 1,
    updated_at: "2026-08-12T10:00:06.000Z",
  };
}

export function activeFocusFixture(overrides: {
  id?: string;
  targetEvidenceId?: string | null;
  intent?: string;
  targetDomain?: string | null;
  targetKind?: string | null;
  expectedAnswerSchema?: Record<string, unknown>;
} = {}) {
  return {
    id: overrides.id ?? FOCUS_ID,
    case_id: CASE_ID,
    question_id: "question-1",
    intent: overrides.intent ?? "confirm_revision",
    target_evidence_id: overrides.targetEvidenceId ?? null,
    target_domain: overrides.targetDomain ?? "career",
    target_kind: overrides.targetKind ?? "career_entry",
    expected_answer_schema: overrides.expectedAnswerSchema ?? {},
    status: "active",
    asked_at: "2026-08-12T10:00:05.000Z",
    resolved_at: null,
  };
}

export function computeFixture(overrides: {
  baselineBirthSnapshot?: Record<string, unknown>;
  baselineProfileFingerprint?: string;
} = {}) {
  return {
    case_id: CASE_ID,
    skill_version: "9.0.0",
    baseline_profile_fingerprint: overrides.baselineProfileFingerprint ?? "a".repeat(64),
    baseline_birth_snapshot: overrides.baselineBirthSnapshot ?? {
      birth_date: "1997-08-08",
      birth_place_label: "河北省邯郸市",
      latitude: 36.420487,
      longitude: 114.209936,
      timezone_id: "Asia/Shanghai",
      timezone_offset: 8,
      birth_time_source: "family_exact",
      reported_birth_time: "05:00",
      active_birth_time: null,
      uncertainty_before_minutes: 10,
      uncertainty_after_minutes: 10,
    },
    candidate_range: CANDIDATE_RANGE,
  };
}

/** Tool receipt RPCs always succeed. */
export const receiptHandlers: Partial<Record<string, FakeRpcHandler>> = {
  get_agentic_rectification_skill_identity: () => ({
    skill_name: "jyotish-birth-time-rectification",
    skill_version: "9.0.0",
    skill_sha256: RECTIFICATION_SKILL_SHA256,
    skill_source_commit: RECTIFICATION_SKILL_SOURCE_COMMIT,
  }),
  create_agentic_rectification_run_attempt: (_fn, args) => ({
    attempt_id: Number(args.p_attempt_number) === 2
      ? "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb"
      : ATTEMPT_ID,
    idempotent: false,
  }),
  finalize_agentic_rectification_run_attempt: (_fn, args) => ({
    attempt_id: args.p_attempt_id ?? ATTEMPT_ID,
    status: args.p_status ?? "completed",
  }),
  insert_agentic_rectification_skill_run_receipt: () => ({
    receipt_id: "88888888-8888-4888-8888-888888888888",
    skill_name: "jyotish-birth-time-rectification",
    skill_version: "9.0.0",
    skill_sha256: RECTIFICATION_SKILL_SHA256,
    source_commit: RECTIFICATION_SKILL_SOURCE_COMMIT,
  }),
  insert_agentic_rectification_tool_receipt: () => ({ receipt_id: "99999999-9999-4999-8999-999999999999" }),
  insert_agentic_rectification_run_phase: () => ({ phase_id: "99999999-9999-4999-8999-999999999999" }),
  transition_agentic_rectification_case_status: () => ({ case_id: CASE_ID, status: "collecting_evidence", idempotent: false }),
};

export function candidateSnapshotFixture(overrides: {
  confirmationAllowed?: boolean;
  selectionAllowed?: boolean;
  representativeTime?: string | null;
  selectedTime?: string | null;
  selectionKind?: string | null;
  candidates?: unknown[];
} = {}) {
  return {
    result_id: RESULT_ID,
    candidates: overrides.candidates ?? [
      { candidate_id: CANDIDATE_ID, rank: 1, time: "05:02", relative_support: 58, tied_minute_count: 2 },
      { candidate_id: SECOND_CANDIDATE_ID, rank: 2, time: "04:55", relative_support: 42, tied_minute_count: 3 },
    ],
    overall_confidence: "medium",
    selection_allowed: overrides.selectionAllowed ?? true,
    confirmation_allowed: overrides.confirmationAllowed ?? false,
    decision_receipt: {
      receipt_version: "candidate-decision-receipt-v2",
      policy_version: "rectification-candidate-policy-v2",
      selection_allowed: overrides.selectionAllowed ?? true,
      acceptance_allowed: overrides.selectionAllowed ?? true,
      confirmation_allowed: overrides.confirmationAllowed ?? false,
      representative_candidate_id: overrides.representativeTime ? CANDIDATE_ID : null,
      overall_confidence: "medium",
    },
    execution_ledger: [{ method: "d1-rashi", status: "executed" }],
    representative_time: overrides.representativeTime ?? null,
    selected_time: overrides.selectedTime ?? null,
    selection_kind: overrides.selectionKind ?? null,
    evidence_ledger_fingerprint: "b".repeat(64),
    candidate_range_fingerprint: "c".repeat(64),
    skill_version: "9.0.0",
    algorithm_version: "rectification-v5",
    created_at: "2026-08-12T10:05:00.000Z",
    invalidated_at: null,
  };
}