#pragma once

#include "common.h"
#include "tmd.h"

#define CMD_SIZE(cmd)    (sizeof(CmdHeader) + \
                             (((cmd)->n_entries) * sizeof(u32)) + \
                             (((cmd)->n_cmacs) * sizeof(u32)) + \
                             (((cmd)->unknown) ? (((cmd)->n_entries) * 0x10) : 0))

// from: http://3dbrew.org/wiki/Titles#Data_Structure
typedef struct {
    u32 cmd_id;     // same as filename id, <cmd_id>.cmd
    u32 n_entries;  // matches highest content index
    u32 n_cmacs;    // number of cmacs in file (excluding the one @0x10)
    u32 unknown;    // usually 1
    u8  cmac[0x10]; // calculated from first 0x10 byte of data, no hashing
    // followed by u32 list of content ids (sorted by index, 0xFFFFFFFF for unavailable)
    // followed by u32 list of content ids (sorted by id?)
    // followed by <n_entries> CMACs (may contain garbage)
} __attribute__((packed, aligned(4))) CmdHeader;

CmdHeader* BuildAllocCmdData(TitleMetaData* tmd);