filemanager.c

#include "filemanager.h"
#include <pspiofilemgr.h>
#include <string.h>
#include <stdio.h>

// Check if filename ends with .mp3 (case-insensitive)
static int isMp3File(const char *name) {
    int len = strlen(name);
    if (len < 4) return 0;
    const char *ext = name + len - 4;
    return (ext[0] == '.' &&
            (ext[1] == 'm' || ext[1] == 'M') &&
            (ext[2] == 'p' || ext[2] == 'P') &&
            (ext[3] == '3'));
}

// Recursive directory scan
static int scanDir(const char *dirPath, MusicLibrary *lib) {
    SceUID dir = sceIoDopen(dirPath);
    if (dir < 0) return -1;
    
    SceIoDirent entry;
    memset(&entry, 0, sizeof(entry));
    
    while (sceIoDread(dir, &entry) > 0) {
        if (lib->count >= MAX_SONGS) break;
        
        // Skip . and ..
        if (strcmp(entry.d_name, ".") == 0 || strcmp(entry.d_name, "..") == 0) {
            memset(&entry, 0, sizeof(entry));
            continue;
        }
        
        // Build full path
        char fullPath[MAX_PATH_LEN];
        snprintf(fullPath, sizeof(fullPath), "%s/%s", dirPath, entry.d_name);
        
        if (FIO_S_ISDIR(entry.d_stat.st_mode)) {
            // Recurse into subdirectory
            scanDir(fullPath, lib);
        } else if (isMp3File(entry.d_name)) {
            // Parse ID3 tags
            SongEntry *song = &lib->songs[lib->count];
            snprintf(song->filepath, MAX_PATH_LEN, "%s", fullPath);
            
            id3_parse(fullPath, &song->id3, 0); // don't load covers during scan
            lib->count++;
        }
        
        memset(&entry, 0, sizeof(entry));
    }
    
    sceIoDclose(dir);
    return 0;
}

int scanMusicFolder(MusicLibrary *lib) {
    if (!lib) return -1;
    
    lib->count = 0;
    memset(lib->songs, 0, sizeof(lib->songs));
    
    // Scan primary music folder
    scanDir("ms0:/MUSIC", lib);
    
    // Also try ms0:/PSP/MUSIC as some users put music there
    scanDir("ms0:/PSP/MUSIC", lib);
    
    return lib->count;
}

void freeMusicLibrary(MusicLibrary *lib) {
    if (!lib) return;
    int i;
    for (i = 0; i < lib->count; i++) {
        id3_free(&lib->songs[i].id3);
    }
    lib->count = 0;
}