#ifndef GUARD_EASYCHAT_H
#define GUARD_EASYCHAT_H

#include "main.h"
#include "constants/easy_chat.h"

struct EasyChatScreenTemplate
{
    u8 type;
    u8 numColumns;
    u8 numRows;
    u8 frameId:7;
    u8 fourFooterOptions:1;
    const u8 *titleText;
    const u8 *instructionsText1;
    const u8 *instructionsText2;
    const u8 *confirmText1;
    const u8 *confirmText2;
};

struct EasyChatScreen
{
    /*0x00*/ u8 type;
    /*0x01*/ u8 templateId;
    /*0x02*/ u8 numColumns;
    /*0x03*/ u8 numRows;
    /*0x04*/ u8 state;
    /*0x05*/ s8 mainCursorColumn;
    /*0x06*/ s8 mainCursorRow;
    /*0x07*/ u8 unk_07;
    /*0x08*/ u8 stateBackup;
    /*0x09*/ u8 unk_09;
    /*0x0A*/ s8 unk_0a;
    /*0x0B*/ s8 unk_0b;
    /*0x0C*/ u8 unk_0c;
    /*0x0D*/ u8 unk_0d;
    /*0x0E*/ u8 unk_0e;
    /*0x0F*/ u8 unk_0f;
    /*0x10*/ s8 unk_10;
    /*0x11*/ s8 unk_11;
    /*0x12*/ u8 displayedPersonType;
    /*0x13*/ u8 unk_13;
    /*0x14*/ u8 unk_14[0x20];
    /*0x34*/ const u8 *titleText;
    /*0x38*/ u16 *words;
    /*0x3C*/ u16 ecWordBuffer[9];
};

struct Unk203A11C
{
    u16 unk0;
    u16 windowId;
    u16 unk4;
    u8 unk6;
    u8 unk7;
    s8 unk8;
    u8 unk9;
    u8 unkA;
    u8 unkB[0xC1];
    u8 unkCC[0x202];
    u16 unk2CE;
    int unk2D0;
    int unk2D4;
    struct Sprite *unk2D8;
    struct Sprite *unk2DC;
    struct Sprite *unk2E0;
    struct Sprite *unk2E4;
    struct Sprite *unk2E8;
    struct Sprite *unk2EC;
    struct Sprite *unk2F0;
    struct Sprite *unk2F4;
    struct Sprite *unk2F8;
    struct Sprite *unk2FC;
    u16 unk300[BG_SCREEN_SIZE / 2];
    u16 unkB00[BG_SCREEN_SIZE / 2];
};

struct EasyChatPhraseFrameDimensions
{
    u8 left:5;
    u8 top:3;
    u8 width;
    u8 height;
    u8 footerId;
};

struct EasyChatWordInfo
{
    const u8 *text;
    int alphabeticalOrder;
    int enabled;
};

typedef union
{
    const u16 *valueList;
    const struct EasyChatWordInfo *words;
} EasyChatGroupWordData;

struct EasyChatGroup
{
    EasyChatGroupWordData wordData;
    u16 numWords;
    u16 numEnabledWords;
};

struct Unk203A120
{
    u16 unk0;
    u16 unk2[EC_NUM_GROUPS];
    u16 unk2E[27];
    u16 unk64[27][270];
    u8 filler3958[0x2C];
    u16 unk3984[0x10E];
    u16 unk3BA0;
}; /*size = 0x3BA4*/

struct EasyChatWordsByLetter
{
    const u16 *words;
    int numWords;
};

void InitEasyChatPhrases(void);
void ShowEasyChatScreen(void);
u8 * CopyEasyChatWord(u8 *dest, u16 word);
bool32 sub_811F8D8(int word);
void InitializeEasyChatWordArray(u16 *words, u16 length);
u8 *ConvertEasyChatWordsToString(u8 *dest, const u16 *src, u16 columns, u16 rows);
bool8 ECWord_CheckIfOutsideOfValidRange(u16 word);
u16 sub_811EE38(u16 group);
u16 sub_811F01C(void);
u16 EasyChat_GetNumWordsInGroup(u8);
u16 sub_811EE90(u16);
void DoEasyChatScreen(u8 type, u16 *words, MainCallback callback, u8 displayedPersonType);
void sub_811F8BC(void);

#endif // GUARD_EASYCHAT_H