/*
 * etcpmon_graph.h - ETCP Monitor Graph Definitions
 */

#ifndef ETCPMON_GRAPH_H
#define ETCPMON_GRAPH_H

#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif

#include <windows.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Graph constants */
#define GRAPH_WIDTH            860
#define GRAPH_HEIGHT           150
#define CHANNEL_LIST_HEIGHT     80
#define GRAPH_METRICS_COUNT     8
#define GRAPH_HISTORY_SIZE     860

/* Forward declarations */
struct etcpmon_app;
struct metrics_history;

/* Graph colors for each metric */
extern const COLORREF graph_colors[GRAPH_METRICS_COUNT];
extern const char* graph_metric_names[GRAPH_METRICS_COUNT];

/* Graph functions */
LRESULT CALLBACK GraphWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
void DrawGraph(HDC hdc, RECT* rc, struct etcpmon_app* app);
void GetSelectedChannels(struct etcpmon_app* app, int* selected, int* count);
void UpdateChannelValues(struct etcpmon_app* app, int cursor_sample);

#ifdef __cplusplus
}
#endif

#endif /* ETCPMON_GRAPH_H */