// Post-broadcast transaction status views: wait, success, error.

const {
    $,
    showView,
    showFlash,
    addressDotHtml,
    addressTitle,
    escapeHtml,
} = require("./helpers");
const { TOKEN_BY_ADDRESS } = require("../../shared/tokenList");
const { state, saveState } = require("../../shared/state");
const { getProvider } = require("../../shared/balances");
const { log } = require("../../shared/log");

const EXT_ICON =
    `<span style="display:inline-block;width:10px;height:10px;margin-left:4px;vertical-align:middle">` +
    `<svg viewBox="0 0 12 12" fill="none" stroke="currentColor" stroke-width="1.5">` +
    `<path d="M4.5 1.5H2a.5.5 0 00-.5.5v8a.5.5 0 00.5.5h8a.5.5 0 00.5-.5V7.5"/>` +
    `<path d="M7 1.5h3.5V5M7 5.5L10.5 1.5"/>` +
    `</svg></span>`;

let ctx;
let elapsedTimer = null;
let pollTimer = null;

function clearTimers() {
    if (elapsedTimer) {
        clearInterval(elapsedTimer);
        elapsedTimer = null;
    }
    if (pollTimer) {
        clearInterval(pollTimer);
        pollTimer = null;
    }
}

function toAddressHtml(address) {
    const dot = addressDotHtml(address);
    const link = `https://etherscan.io/address/${address}`;
    const extLink = `<a href="${link}" target="_blank" rel="noopener" class="inline-flex items-center">${EXT_ICON}</a>`;
    const title = addressTitle(address, state.wallets);
    if (title) {
        return (
            `<div class="flex items-center font-bold">${dot}${escapeHtml(title)}</div>` +
            `<div class="break-all">${escapeHtml(address)}${extLink}</div>`
        );
    }
    return `<div class="flex items-center">${dot}<span class="break-all">${escapeHtml(address)}</span>${extLink}</div>`;
}

function txHashHtml(hash) {
    const link = `https://etherscan.io/tx/${hash}`;
    const extLink = `<a href="${link}" target="_blank" rel="noopener" class="inline-flex items-center">${EXT_ICON}</a>`;
    return (
        `<span class="underline decoration-dashed cursor-pointer break-all" data-copy="${escapeHtml(hash)}">${escapeHtml(hash)}</span>` +
        extLink
    );
}

function attachCopyHandlers(viewId) {
    document
        .getElementById(viewId)
        .querySelectorAll("[data-copy]")
        .forEach((el) => {
            el.onclick = () => {
                navigator.clipboard.writeText(el.dataset.copy);
                showFlash("Copied!");
            };
        });
}

function showWait(txInfo, txHash) {
    clearTimers();

    const symbol = txInfo.token === "ETH" ? "ETH" : txInfo.tokenSymbol || "?";
    $("wait-tx-summary").textContent = txInfo.amount + " " + symbol;
    $("wait-tx-to").innerHTML = toAddressHtml(txInfo.to);
    $("wait-tx-hash").innerHTML = txHashHtml(txHash);
    attachCopyHandlers("view-wait-tx");

    const broadcastTime = Date.now();
    $("wait-tx-status").textContent = "Waiting for confirmation... 0s";

    elapsedTimer = setInterval(() => {
        const elapsed = Math.floor((Date.now() - broadcastTime) / 1000);
        $("wait-tx-status").textContent =
            "Waiting for confirmation... " + elapsed + "s";
    }, 1000);

    const provider = getProvider(state.rpcUrl);
    pollTimer = setInterval(async () => {
        try {
            const receipt = await provider.getTransactionReceipt(txHash);
            if (receipt) {
                showSuccess(txInfo, txHash, receipt.blockNumber);
            }
        } catch (e) {
            log.errorf("poll receipt failed:", e.message);
        }

        const elapsed = Math.floor((Date.now() - broadcastTime) / 1000);
        if (elapsed >= 60) {
            showError(
                txInfo,
                txHash,
                "Transaction was not confirmed within 60 seconds. It may still confirm later \u2014 check Etherscan.",
            );
        }
    }, 10000);

    showView("wait-tx");
}

function showSuccess(txInfo, txHash, blockNumber) {
    clearTimers();

    const symbol = txInfo.token === "ETH" ? "ETH" : txInfo.tokenSymbol || "?";
    state.viewData = {
        amount: txInfo.amount,
        symbol: symbol,
        to: txInfo.to,
        hash: txHash,
        blockNumber: blockNumber,
        decoded: txInfo.decoded || null,
    };
    renderSuccess();
    ctx.doRefreshAndRender();
}

function tokenLabel(address) {
    const t = TOKEN_BY_ADDRESS.get(address.toLowerCase());
    return t ? t.symbol : null;
}

function etherscanTokenLink(address) {
    return `https://etherscan.io/token/${address}`;
}

function decodedDetailsHtml(decoded) {
    if (!decoded || !decoded.details) return "";
    let html = "";
    if (decoded.name) {
        html += `<div class="mb-2"><div class="text-xs text-muted mb-1">Action</div>`;
        html += `<div class="font-bold">${escapeHtml(decoded.name)}</div></div>`;
    }
    if (decoded.description) {
        html += `<div class="mb-2"><div class="text-xs text-muted mb-1">Description</div>`;
        html += `<div>${escapeHtml(decoded.description)}</div></div>`;
    }
    for (const d of decoded.details) {
        html += `<div class="mb-2">`;
        html += `<div class="text-xs text-muted mb-1">${escapeHtml(d.label)}</div>`;
        if (d.address) {
            if (d.isToken) {
                const sym = tokenLabel(d.address) || "Unknown token";
                html += `<div class="font-bold">${escapeHtml(sym)}</div>`;
                html += toAddressHtml(d.address);
            } else {
                html += toAddressHtml(d.address);
            }
        } else {
            html += `<div class="font-bold">${escapeHtml(d.value)}</div>`;
        }
        html += `</div>`;
    }
    return html;
}

function renderSuccess() {
    const d = state.viewData;
    if (!d || !d.hash) return;
    $("success-tx-summary").textContent = d.amount + " " + d.symbol;
    $("success-tx-to").innerHTML = toAddressHtml(d.to);
    $("success-tx-block").textContent = String(d.blockNumber);
    $("success-tx-hash").innerHTML = txHashHtml(d.hash);

    // Show decoded calldata details if present
    const decodedEl = $("success-tx-decoded");
    if (decodedEl && d.decoded) {
        decodedEl.innerHTML = decodedDetailsHtml(d.decoded);
        decodedEl.classList.remove("hidden");
    } else if (decodedEl) {
        decodedEl.classList.add("hidden");
    }

    attachCopyHandlers("view-success-tx");
    showView("success-tx");
}

function showError(txInfo, txHash, message) {
    clearTimers();

    const symbol = txInfo.token === "ETH" ? "ETH" : txInfo.tokenSymbol || "?";
    state.viewData = {
        amount: txInfo.amount,
        symbol: symbol,
        to: txInfo.to,
        hash: txHash || null,
        message: message,
    };
    renderError();
}

function renderError() {
    const d = state.viewData;
    if (!d || !d.message) return;
    $("error-tx-summary").textContent = d.amount + " " + d.symbol;
    $("error-tx-to").innerHTML = toAddressHtml(d.to);
    $("error-tx-message").textContent = d.message;

    if (d.hash) {
        $("error-tx-hash").innerHTML = txHashHtml(d.hash);
        $("error-tx-hash-section").classList.remove("hidden");
        attachCopyHandlers("view-error-tx");
    } else {
        $("error-tx-hash-section").classList.add("hidden");
    }

    showView("error-tx");
}

function isApprovalPopup() {
    return new URLSearchParams(window.location.search).has("approval");
}

function navigateBack() {
    if (isApprovalPopup()) {
        window.close();
        return;
    }
    if (state.selectedToken) {
        ctx.showAddressToken();
    } else {
        ctx.showAddressDetail();
    }
}

function init(_ctx) {
    ctx = _ctx;

    $("btn-success-tx-done").addEventListener("click", navigateBack);
    $("btn-error-tx-done").addEventListener("click", navigateBack);
}

module.exports = { init, showWait, showError, renderSuccess, renderError };