#ifndef FFMPEG_CLI_H
#define FFMPEG_CLI_H

#include <stdbool.h>

// Result codes
typedef enum {
    FFMPEG_OK = 0,
    FFMPEG_ERR_INPUT_NOT_FOUND = 1,
    FFMPEG_ERR_OUTPUT_FAILED = 2,
    FFMPEG_ERR_INVALID_ARGS = 3,
    FFMPEG_ERR_PROCESS_FAILED = 4,
} FfmpegResult;

// Image conversion options
typedef struct {
    int quality;        // 0-100, default 80
    int max_width;      // 0 = no resize
    int max_height;     // 0 = no resize
    bool preserve_aspect;
} ImageConvertOpts;

// Video conversion options for HLS
typedef struct {
    int segment_duration;   // seconds, default 6
    int video_bitrate;      // kbps, 0 = auto
    int audio_bitrate;      // kbps, 0 = 128
    int max_width;          // 0 = no resize
    int max_height;         // 0 = no resize
    bool generate_thumbnail;
} HlsConvertOpts;

// Initialize default options
ImageConvertOpts ffmpeg_image_opts_default(void);
HlsConvertOpts ffmpeg_hls_opts_default(void);

// Convert image to WebP format
// output_path should end with .webp
FfmpegResult ffmpeg_image_to_webp(const char* input_path, const char* output_path, ImageConvertOpts* opts);

// Convert video to HLS format
// output_dir is the directory where .m3u8 and .ts files will be created
FfmpegResult ffmpeg_video_to_hls(const char* input_path, const char* output_dir, const char* name, HlsConvertOpts* opts);

// Generate video thumbnail
FfmpegResult ffmpeg_video_thumbnail(const char* input_path, const char* output_path, int timestamp_seconds);

// Get media duration in seconds (works for both audio and video)
FfmpegResult ffmpeg_get_duration(const char* input_path, double* duration_out);

// Check if ffmpeg is available on the system
bool ffmpeg_is_available(void);

// Get last error message
const char* ffmpeg_last_error(void);

#endif // FFMPEG_CLI_H