// CPreviewLevelsDlg.h
// 屏幕预览质量等级配置对话框：编辑 6 档 PreviewProfile（编码宽度 / JPEG 质量）。
// 纯主控端 UI 偏好，持久化由 CMy2015RemoteDlg::SavePreviewProfilesToCfg() 负责。
// 仅在 2015RemoteDlg.cpp 中 include 一次（头文件内联实现，勿多处包含）。
#pragma once

#include "LangManager.h"

class CPreviewLevelsDlg : public CDialog
{
public:
    enum { IDD = IDD_PREVIEW_LEVELS };

    // profiles: 指向 6 元素 PreviewProfile 数组，确认后写回
    CPreviewLevelsDlg(PreviewProfile* profiles, CWnd* pParent = NULL)
        : CDialog(CPreviewLevelsDlg::IDD, pParent), m_profiles(profiles)
    {
    }

protected:
    PreviewProfile* m_profiles;
    PreviewProfile  m_working[QUALITY_COUNT];

    static const char* LevelName(int i)
    {
        static const char* names[QUALITY_COUNT] = {
            "Ultra", "High", "Good", "Medium", "Low", "Minimal"
        };
        return (i >= 0 && i < QUALITY_COUNT) ? names[i] : "?";
    }

    void LoadToControls()
    {
        CString s;
        for (int i = 0; i < QUALITY_COUNT; i++) {
            s.Format(_T("%d"), m_working[i].maxWidth);
            SetDlgItemText(IDC_PLEVEL_WIDTH + i, s);
            s.Format(_T("%d"), m_working[i].jpegQuality);
            SetDlgItemText(IDC_PLEVEL_QUALITY + i, s);
        }
    }

    bool ReadInt(int id, int& out)
    {
        CString s;
        GetDlgItemText(id, s);
        s.Trim();
        if (s.IsEmpty()) return false;

        int v = 0;
        for (int k = 0; k < s.GetLength(); k++) {
            TCHAR ch = s[k];
            if (ch < _T('0') || ch > _T('9')) return false;
            v = v * 10 + (ch - _T('0'));
        }
        out = v;
        return true;
    }

    bool ReadFromControls(CString& err)
    {
        for (int i = 0; i < QUALITY_COUNT; i++) {
            int w, q;
            if (!ReadInt(IDC_PLEVEL_WIDTH + i, w))
            { err.Format(_T("等级 %s 的最大宽度不是有效数字"), LevelName(i)); return false; }
            if (!ReadInt(IDC_PLEVEL_QUALITY + i, q))
            { err.Format(_T("等级 %s 的 JPEG 质量不是有效数字"), LevelName(i)); return false; }

            if (w < 64 || w > 2560)
            { err.Format(_T("等级 %s 的最大宽度需在 64~2560 之间"), LevelName(i)); return false; }
            if (q < 1 || q > 100)
            { err.Format(_T("等级 %s 的 JPEG 质量需在 1~100 之间"), LevelName(i)); return false; }

            m_working[i].maxWidth    = w;
            m_working[i].jpegQuality = q;
        }
        return true;
    }

    void ResetToDefaults()
    {
        for (int i = 0; i < QUALITY_COUNT; i++) {
            m_working[i] = GetScreenPreviewProfile(i);
        }
        LoadToControls();
    }

    virtual BOOL OnInitDialog() override
    {
        CDialog::OnInitDialog();

        // 非中文系统上 MBCS 对话框模板的中文会被系统 ACP 转成 "?"，TranslateDialog
        // 拿到的是已乱码文本无法还原，故在此显式设置（参照 NotifySettingsDlg）。
        // 均经 _TR/_L 支持多语言翻译。
        SetWindowText(_TR("屏幕预览质量等级"));
        SetDlgItemText(IDC_PLEVEL_LABEL_LEVEL,   _TR("等级"));
        SetDlgItemText(IDC_PLEVEL_LABEL_WIDTH,   _TR("最大宽度"));
        SetDlgItemText(IDC_PLEVEL_LABEL_QUALITY, _TR("JPEG质量"));
        static const TCHAR* kLevelNames[QUALITY_COUNT] = {
            _T("Ultra 极佳"), _T("High 优秀"), _T("Good 良好"),
            _T("Medium 一般"), _T("Low 较差"), _T("Minimal 最低")
        };
        for (int i = 0; i < QUALITY_COUNT; i++)
            SetDlgItemText(IDC_PLEVEL_LABEL_LEVEL0 + i, _L(kLevelNames[i]));
        SetDlgItemText(IDC_PLEVEL_LABEL_HINT,
            _TR("最大宽度为期望编码宽度；JPEG 质量 1~100"));
        SetDlgItemText(IDC_PLEVEL_RESET, _TR("恢复默认"));
        SetDlgItemText(IDOK,              _TR("确定"));
        SetDlgItemText(IDCANCEL,          _TR("取消"));

        for (int i = 0; i < QUALITY_COUNT; i++) {
            m_working[i] = m_profiles[i];
        }
        LoadToControls();
        return TRUE;
    }

    virtual void OnOK() override
    {
        CString err;
        if (!ReadFromControls(err)) {
            MessageBox(err, _TR("提示"), MB_ICONWARNING);
            return;
        }
        for (int i = 0; i < QUALITY_COUNT; i++) {
            m_profiles[i] = m_working[i];
        }
        CDialog::OnOK();
    }

    virtual BOOL OnCommand(WPARAM wParam, LPARAM lParam) override
    {
        if (LOWORD(wParam) == IDC_PLEVEL_RESET && HIWORD(wParam) == BN_CLICKED) {
            ResetToDefaults();
            return TRUE;
        }
        return CDialog::OnCommand(wParam, lParam);
    }
};