#include <nitro.h>
#include <string.h>
#include <nitro/sinit.h>

#include "struct_decls/struct_02018340_decl.h"
#include "struct_decls/struct_0201CD38_decl.h"
#include "overlay025/struct_ov25_0225424C_decl.h"
#include "overlay025/struct_ov25_02255B34_decl.h"
#include "overlay037/struct_ov37_022563D4_decl.h"

#include "struct_defs/union_02022594_020225E0.h"
#include "overlay037/struct_ov37_022563D4_1.h"

#include "unk_0200D9E8.h"
#include "heap.h"
#include "overlay025/ov25_02253CE0.h"
#include "overlay025/ov25_02255ACC.h"
#include "overlay037/ov37_022563D4.h"

typedef struct {
    u8 unk_00;
    u8 unk_01;
    u8 unk_02;
    UnkStruct_ov37_022563D4_1 unk_04;
    UnkStruct_ov37_022563D4 * unk_08;
    UnkStruct_ov25_0225424C * unk_0C;
    UnkStruct_ov25_02255B34 * unk_10;
    u32 unk_14;
    u32 unk_18;
} UnkStruct_ov37_0225621C;

static void NitroStaticInit(void);

static BOOL ov37_022561D4(void ** param0, UnkStruct_ov25_0225424C * param1, UnkStruct_02018340 * param2, u32 param3);
static BOOL ov37_0225621C(UnkStruct_ov37_0225621C * param0, UnkStruct_ov25_0225424C * param1, UnkStruct_02018340 * param2, u32 param3);
static void ov37_02256280(UnkStruct_ov37_0225621C * param0);
static void ov37_02256298(u32 param0, u32 param1, u32 param2, void * param3);
static void ov37_022562A0(UnkStruct_0201CD38 * param0, void * param1);
static void ov37_022562DC(void * param0);
static void ov37_022562E4(UnkStruct_ov37_0225621C * param0, u32 param1);
static BOOL ov37_022562F8(UnkStruct_ov37_0225621C * param0);
static BOOL ov37_02256338(UnkStruct_ov37_0225621C * param0);
static BOOL ov37_022563A0(UnkStruct_ov37_0225621C * param0);

static void NitroStaticInit (void)
{
    ov25_02254238(ov37_022561D4, ov37_022562DC);
}

static BOOL ov37_022561D4 (void ** param0, UnkStruct_ov25_0225424C * param1, UnkStruct_02018340 * param2, u32 param3)
{
    UnkStruct_ov37_0225621C * v0 = (UnkStruct_ov37_0225621C *)Heap_AllocFromHeap(8, sizeof(UnkStruct_ov37_0225621C));

    if (v0 != NULL) {
        if (ov37_0225621C(v0, param1, param2, param3)) {
            if (sub_0200D9E8(ov37_022562A0, v0, 1) != NULL) {
                *param0 = v0;
                return 1;
            }
        }

        Heap_FreeToHeap(v0);
    }

    return 0;
}

static BOOL ov37_0225621C (UnkStruct_ov37_0225621C * param0, UnkStruct_ov25_0225424C * param1, UnkStruct_02018340 * param2, u32 param3)
{
    static const UnkUnion_020225E0 v0[] = {
        {72, 104, 92, 132},
        {104, 136, 92, 132},
    };
    PMBackLightSwitch v1;

    PM_GetBackLight(NULL, &v1);
    param0->unk_04.unk_00 = (v1 == PM_BACKLIGHT_ON);

    if (ov37_022563D4(&(param0->unk_08), &(param0->unk_04), param2)) {
        param0->unk_00 = 0;
        param0->unk_01 = 0;
        param0->unk_02 = 0;
        param0->unk_10 = ov25_02255ACC(v0, NELEMS(v0), ov37_02256298, param0, 8);
        param0->unk_14 = 0;
        param0->unk_0C = param1;

        return 1;
    }

    return 0;
}

static void ov37_02256280 (UnkStruct_ov37_0225621C * param0)
{
    ov25_02255B34(param0->unk_10);
    ov37_02256410(param0->unk_08);
    Heap_FreeToHeap(param0);
}

static void ov37_02256298 (u32 param0, u32 param1, u32 param2, void * param3)
{
    UnkStruct_ov37_0225621C * v0 = (UnkStruct_ov37_0225621C *)param3;

    v0->unk_18 = param0;
    v0->unk_14 = param1;
}

static void ov37_022562A0 (UnkStruct_0201CD38 * param0, void * param1)
{
    static BOOL(*const v0[])(UnkStruct_ov37_0225621C *) = {
        ov37_022562F8,
        ov37_02256338,
        ov37_022563A0
    };

    UnkStruct_ov37_0225621C * v1 = (UnkStruct_ov37_0225621C *)param1;

    if (v1->unk_00 < NELEMS(v0)) {
        ov25_02254518(v1->unk_0C, v1->unk_10);

        if (v0[v1->unk_00](v1)) {
            ov37_02256280(v1);
            sub_0200DA58(param0);
            ov25_02254260(v1->unk_0C);
        }
    } else {
    }
}

static void ov37_022562DC (void * param0)
{
    ((UnkStruct_ov37_0225621C *)param0)->unk_02 = 1;
}

static void ov37_022562E4 (UnkStruct_ov37_0225621C * param0, u32 param1)
{
    if (param0->unk_02 == 0) {
        param0->unk_00 = param1;
    } else {
        param0->unk_00 = 2;
    }

    param0->unk_01 = 0;
}

static BOOL ov37_022562F8 (UnkStruct_ov37_0225621C * param0)
{
    switch (param0->unk_01) {
    case 0:
        ov37_02256488(param0->unk_08, 0);
        param0->unk_01++;
        break;
    case 1:
        if (ov37_022564AC(param0->unk_08, 0)) {
            ov25_0225424C(param0->unk_0C);
            ov37_022562E4(param0, 1);
        }
        break;
    }

    return 0;
}

static BOOL ov37_02256338 (UnkStruct_ov37_0225621C * param0)
{
    UnkStruct_ov37_022563D4_1 * v0 = &(param0->unk_04);

    if (param0->unk_02) {
        ov37_022562E4(param0, 2);
        return 0;
    }

    switch (param0->unk_01) {
    case 0:
        if (param0->unk_14 == 1) {
            if (((param0->unk_18 == 0) && (param0->unk_04.unk_00 == 0)) || ((param0->unk_18 == 1) && (param0->unk_04.unk_00 == 1))) {
                param0->unk_04.unk_00 ^= 1;
                ov37_02256488(param0->unk_08, 2);
            }

            param0->unk_01++;
            break;
        }
        break;
    case 1:
        if (ov37_022564AC(param0->unk_08, 2)) {
            param0->unk_01 = 0;
        }
        break;
    }

    return 0;
}

static BOOL ov37_022563A0 (UnkStruct_ov37_0225621C * param0)
{
    switch (param0->unk_01) {
    case 0:
        ov37_02256488(param0->unk_08, 1);
        param0->unk_01++;
        break;
    case 1:
        if (ov37_022564B8(param0->unk_08)) {
            return 1;
        }
        break;
    }

    return 0;
}
