#include "balance_address_list.h"

#include <algorithm>
#include <cctype>
#include <cstdio>

namespace dragonx {
namespace ui {
namespace {

bool containsIgnoreCase(const std::string& haystack, const std::string& needle)
{
    if (needle.empty()) return true;
    auto it = std::search(haystack.begin(), haystack.end(),
        needle.begin(), needle.end(),
        [](char a, char b) {
            return std::tolower(static_cast<unsigned char>(a)) ==
                   std::tolower(static_cast<unsigned char>(b));
        });
    return it != haystack.end();
}

} // namespace

bool AddressListMatchesFilter(const AddressListInput& input, const std::string& filter)
{
    if (!input.info) return false;
    return containsIgnoreCase(input.info->address, filter) ||
           containsIgnoreCase(input.info->label, filter) ||
           containsIgnoreCase(input.label, filter);
}

std::vector<AddressListRow> BuildAddressListRows(const std::vector<AddressListInput>& inputs,
                                                 const std::string& filter,
                                                 bool hideZeroBalances,
                                                 bool showHidden)
{
    std::vector<AddressListRow> rows;
    rows.reserve(inputs.size());
    for (const auto& input : inputs) {
        if (!input.info) continue;
        if (!AddressListMatchesFilter(input, filter)) continue;
        if (input.hidden && !showHidden) continue;
        // Keep mining-flagged addresses visible even at 0 balance (they receive payouts).
        if (hideZeroBalances && input.info->balance < 1e-9 && !input.hidden && !input.favorite && !input.mining) continue;
        rows.push_back({input.info, input.isZ, input.hidden, input.favorite, input.mining,
                        input.label, input.icon, input.sortOrder});
    }

    std::sort(rows.begin(), rows.end(),
        [](const AddressListRow& a, const AddressListRow& b) {
            bool aHasOrder = a.sortOrder >= 0;
            bool bHasOrder = b.sortOrder >= 0;
            if (aHasOrder && bHasOrder) return a.sortOrder < b.sortOrder;
            if (aHasOrder != bHasOrder) return aHasOrder > bHasOrder;
            if (a.favorite != b.favorite) return a.favorite > b.favorite;
            if (a.isZ != b.isZ) return a.isZ > b.isZ;
            return a.info->balance > b.info->balance;
        });
    return rows;
}

AddressRowLayout ComputeAddressRowLayout(float rowX,
                                         float rowY,
                                         float rowWidth,
                                         float rowHeight,
                                         float rowPadLeft,
                                         float rowIconSize,
                                         float spacingMd,
                                         float spacingSm,
                                         float spacingXs)
{
    AddressRowLayout layout;
    layout.contentStartX = rowX + rowPadLeft;
    layout.contentStartY = rowY + spacingMd;
    layout.buttonSize = rowHeight - spacingMd * 2.0f;

    const float buttonY = rowY + (rowHeight - layout.buttonSize) * 0.5f;
    const float rightEdge = rowX + rowWidth;
    const float favoriteX = rightEdge - layout.buttonSize - spacingXs;
    const float visibilityX = favoriteX - spacingSm - layout.buttonSize;

    layout.favoriteButton = {favoriteX, buttonY, layout.buttonSize, layout.buttonSize};
    layout.visibilityButton = {visibilityX, buttonY, layout.buttonSize, layout.buttonSize};
    layout.contentRight = visibilityX - spacingSm;
    layout.labelX = layout.contentStartX + rowIconSize * 2.0f + spacingMd;
    return layout;
}

std::string FormatAddressUsdValue(double balance, double priceUsd)
{
    if (priceUsd <= 0.0 || balance <= 0.0) return {};

    char buffer[32];
    const double usdValue = balance * priceUsd;
    if (usdValue >= 1.0) {
        std::snprintf(buffer, sizeof(buffer), "$%.2f", usdValue);
    } else if (usdValue >= 0.01) {
        std::snprintf(buffer, sizeof(buffer), "$%.4f", usdValue);
    } else {
        std::snprintf(buffer, sizeof(buffer), "$%.6f", usdValue);
    }
    return buffer;
}

} // namespace ui
} // namespace dragonx