"""Offline tests for the proof-measure client. No network access required."""

import json

import pytest

from prime_sdk import (
    DragonchainAPIError,
    ProofMeasureClient,
    ReportAnchorInput,
    ReportRequest,
)
from prime_sdk.proof_measure import DEFAULT_BASE_URL


class _FakeResponse:
    def __init__(self, status_code, text):
        self.status_code = status_code
        self.text = text


class _FakeSession:
    def __init__(self, response):
        self.response = response
        self.calls = []

    def request(self, method, url, data=None, headers=None, timeout=None, allow_redirects=None):
        self.calls.append(
            {
                "method": method,
                "url": url,
                "data": data,
                "headers": headers,
                "allow_redirects": allow_redirects,
            }
        )
        return self.response


def _client_with(session) -> ProofMeasureClient:
    pm = ProofMeasureClient()
    pm._client._session = session
    return pm


def test_default_base_url():
    assert DEFAULT_BASE_URL == "https://proof-measure.dragonchain.com"
    assert ProofMeasureClient()._client.endpoint() == DEFAULT_BASE_URL


def test_get_security_builds_path_and_parses():
    body = json.dumps(
        {
            "network": "BTC",
            "consensus": "pow",
            "raw": {"value": "71.63", "unit": "Yottahashes", "base": "7.16e25"},
            "valueUsd": "13928170.26",
            "valueUsdFormatted": "$13,928,170.26",
            "label": "$13,928,170.26 energy consumed",
            "normalizedScore": "0.9234",
            "since": 1780504894,
            "asOf": 1780591253,
        }
    )
    fake = _FakeSession(_FakeResponse(200, body))
    res = _client_with(fake).get_security("BTC", 1780504894)

    call = fake.calls[0]
    assert call["method"] == "GET"
    assert call["url"] == DEFAULT_BASE_URL + "/api/v1/security/BTC?since=1780504894"
    assert call["allow_redirects"] is False
    # no auth headers on the unauthenticated client
    assert "Authorization" not in call["headers"]
    assert res.network == "BTC"
    assert res.consensus == "pow"
    assert res.raw.unit == "Yottahashes"
    assert res.value_usd == "13928170.26"
    assert res.value_usd_formatted == "$13,928,170.26"
    assert res.since == 1780504894 and res.as_of == 1780591253


def test_get_security_omits_since_when_not_positive():
    fake = _FakeSession(_FakeResponse(200, json.dumps({"network": "ETH", "consensus": "pos"})))
    _client_with(fake).get_security("ETH")
    assert fake.calls[0]["url"] == DEFAULT_BASE_URL + "/api/v1/security/ETH"


def test_report_posts_request_and_parses():
    resp_body = json.dumps(
        {
            "transactionId": "tx-1",
            "primeId": "p-1",
            "blockId": "42",
            "anchors": [
                {
                    "network": "BTC",
                    "anchorTimestamp": 1712345678,
                    "anchorTxHash": "0xabc",
                    "security": {"network": "BTC", "consensus": "pow", "valueUsd": "100.00"},
                }
            ],
            "totalValueUsd": "100.00",
            "totalValueUsdFormatted": "$100.00",
            "hashPower": {"value": "40.06", "units": "Yottahashes"},
            "totalNormalizedScore": "0.9",
        }
    )
    fake = _FakeSession(_FakeResponse(200, resp_body))
    req = ReportRequest(
        transaction_id="tx-1",
        prime_id="p-1",
        block_id="42",
        anchors=[ReportAnchorInput(tx_hash="0xabc", timestamp=1712345678, network="BTC")],
    )
    rep = _client_with(fake).report(req)

    call = fake.calls[0]
    assert call["method"] == "POST"
    assert call["url"] == DEFAULT_BASE_URL + "/api/v1/report"
    assert call["headers"]["Content-Type"] == "application/json"
    sent = json.loads(call["data"])
    assert sent == {
        "transactionId": "tx-1",
        "primeId": "p-1",
        "blockId": "42",
        "anchors": [{"txHash": "0xabc", "timestamp": 1712345678, "network": "BTC"}],
    }
    assert rep.total_value_usd_formatted == "$100.00"
    assert rep.hash_power is not None and rep.hash_power.units == "Yottahashes"
    assert len(rep.anchors) == 1 and rep.anchors[0].security.network == "BTC"


def test_health_parses():
    fake = _FakeSession(_FakeResponse(200, json.dumps({"status": "ok"})))
    res = _client_with(fake).health()
    assert fake.calls[0]["url"] == DEFAULT_BASE_URL + "/api/v1/health"
    assert res.status == "ok"


def test_error_status_raises():
    fake = _FakeSession(_FakeResponse(400, "  bad request  "))
    with pytest.raises(DragonchainAPIError) as exc:
        _client_with(fake).health()
    assert exc.value.status_code == 400
    assert exc.value.body == "bad request"