/* Copyright 2023 Dual Tachyon
 * https://github.com/DualTachyon
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */

#include <string.h>

#include "driver/st7565.h"
#include "external/printf/printf.h"
#include "font.h"
#include "ui/helper.h"
#include "ui/inputbox.h"
#include "misc.h"
#include "chinese.h"
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(arr) (sizeof(arr)/sizeof((arr)[0]))
#endif
#define IS_BIT_SET(byte, bit) ((byte>>bit) & (1))
uint8_t menu_set_flag = 0;

void set_bit(uint8_t *value, uint8_t bit_position, uint8_t bit_value) {
    if (bit_value == 0) {
        *value = *value & ~(1 << bit_position); // ��ָ��λ����Ϊ 0
    } else {
        *value = *value | (1 << bit_position);  // ��ָ��λ����Ϊ 1
    }
}

uint8_t is_chn(uint8_t num) {

    if (num >= 1 && num < 10)return num - 1;
    else if (num > 10 && num < 32)return num - 2;
    else if (num > 126 && num <= 230)return num - 97;
    else return 255;
}

void UI_GenerateChannelString(char *pString, const uint8_t Channel) {
    unsigned int i;

    if (gInputBoxIndex == 0) {
        sprintf(pString, "CH-%02u", Channel + 1);
        return;
    }

    pString[0] = 'C';
    pString[1] = 'H';
    pString[2] = '-';
    for (i = 0; i < 2; i++)
        pString[i + 3] = (gInputBox[i] == 10) ? '-' : gInputBox[i] + '0';
}

void UI_GenerateChannelStringEx(char *pString, const bool bShowPrefix, const uint8_t ChannelNumber) {
    if (gInputBoxIndex > 0) {
        unsigned int i;
        for (i = 0; i < 3; i++)
            pString[i] = (gInputBox[i] == 10) ? '-' : gInputBox[i] + '0';
        return;
    }

    if (bShowPrefix)
        sprintf(pString, "CH-%03u", ChannelNumber + 1);
    else if (ChannelNumber == 0xFF)
        strcpy(pString, "NULL");
    else
        sprintf(pString, "%03u", ChannelNumber + 1);
}



// Example usage:
// UI_PrintChar('A', 0, 0, 16);

// Example usage:
// UI_PrintChar('A', 0, 0, 8);

void UI_PrintCharSmall(char character, uint8_t Start, uint8_t Line) {
    const uint8_t char_width = ARRAY_SIZE(gFontSmall[0]);

    // Calculate the position for the character
    uint8_t *pFb = gFrameBuffer[Line] + Start + (char_width + 1) / 2;

    // Display the character if it's a printable character
    if (character > ' ') {
        const unsigned int index = (unsigned int)character - ' ' - 1;
        if (index < ARRAY_SIZE(gFontSmall)) {
            memmove(pFb, &gFontSmall[index], char_width);
        }
    }
}

void UI_PrintStringSmall(const char *pString, uint8_t Start, uint8_t End, uint8_t Line) {
   uint8_t Length = strlen(pString);

    if (menu_set_flag == 1)
    {
        Length = Length > 7 ? 7 : Length;
        menu_set_flag = 0;
    }
    size_t i;
    uint8_t sum_pixel = 0;
    uint8_t chn_flag[Length];
    for (size_t j = 0; j < Length; j++) {
        chn_flag[j] = is_chn(pString[j]);
        if (chn_flag[j] == 255&&pString[j]!='\n'&&pString[j]!='\0')sum_pixel += 7;

        else if(chn_flag[j] != 255)sum_pixel += 12;
    }

    if (End > Start)
        Start += (((End - Start) - (sum_pixel)) + 1) / 2;
//    if(Start+sum_pixel>=128)Start=128-sum_pixel;
    uint8_t *pFb = gFrameBuffer[Line] + Start;
    uint8_t *pFb1 = gFrameBuffer[Line + 1] + Start;

    uint8_t now_pixel = 0;
    for (i = 0; i < Length; i++) {
        if (chn_flag[i] == 255) {
            if (pString[i] > ' ') {
                const unsigned int index = (unsigned int) pString[i] - ' ' - 1;
                if (index < ARRAY_SIZE(gFontSmall)) {
                    memmove(pFb + now_pixel + 1, &gFontSmall[index], 6);
                }
                now_pixel += 7;

            } else if(pString[i] == ' ')

                now_pixel += 7;



        } else {
            uint8_t bit_cnt = 0;
            uint8_t cntt = 0;
            uint8_t gFontChinese[22] = {0};
            for (int j = 0; j < 110; j++) {
                if (IS_BIT_SET(gFontChinese_out[(j + chn_flag[i] * 110) / 8], (j + chn_flag[i] * 110) % 8))
                    set_bit(&gFontChinese[cntt], bit_cnt, 1);
                bit_cnt++;
                if ((bit_cnt == 8 && cntt < 11) || (bit_cnt == 2 && cntt >= 11)) {
                    bit_cnt = 0;

                    cntt++;
                }
            }
            memmove(pFb + now_pixel + 1, &gFontChinese[0], 11);
            memmove(pFb1 + now_pixel + 1, &gFontChinese[11], 11);

//            memmove(gFrameBuffer[Line + 0] + Start, &gFontChinese[0], 11);
//            memmove(gFrameBuffer[Line + 1] + Start, &gFontChinese[11], 11);
            now_pixel += 12;
        }
    }
}

#ifdef ENABLE_SMALL_BOLD
void UI_PrintStringSmallBold(const char *pString, uint8_t Start, uint8_t End, uint8_t Line)
{
    const size_t Length = strlen(pString);
    size_t       i;

    if (End > Start)
        Start += (((End - Start) - (Length * 8)) + 1) / 2;

    const unsigned int char_width   = ARRAY_SIZE(gFontSmallBold[0]);
    const unsigned int char_spacing = char_width + 1;
    uint8_t            *pFb         = gFrameBuffer[Line] + Start;
    for (i = 0; i < Length; i++)
    {
        if (pString[i] > ' ')
        {
            const unsigned int index = (unsigned int)pString[i] - ' ' - 1;
            if (index < ARRAY_SIZE(gFontSmallBold))
                memmove(pFb + (i * char_spacing) + 1, &gFontSmallBold[index], char_width);
        }
    }
}
#endif

void UI_PrintStringSmallBuffer(const char *pString, uint8_t *buffer) {
    size_t i;
    const unsigned int char_width = ARRAY_SIZE(gFontSmall[0]);
    for (i = 0; i < strlen(pString); i++) {
        if (pString[i] > ' ') {
            const unsigned int index = (unsigned int) pString[i] - ' ' - 1;
            if (index < ARRAY_SIZE(gFontSmall))
                memmove(buffer + (i * (char_width + 1)) + 1, &gFontSmall[index], char_width);
        }
    }
}

void UI_DisplayFrequency(const char *string, uint8_t X, uint8_t Y, bool center) {
    const unsigned int char_width = 13;
    uint8_t *pFb0 = gFrameBuffer[Y] + X;
    uint8_t *pFb1 = pFb0 + 128;
    bool bCanDisplay = false;

    uint8_t len = strlen(string);
    for (int i = 0; i < len; i++) {
        char c = string[i];
        if (c == '-') c = '9' + 1;
        if (bCanDisplay || c != ' ') {
            bCanDisplay = true;
            if (c >= '0' && c <= '9' + 1) {
                memcpy(pFb0 + 2, gFontBigDigits[c - '0'], char_width - 3);
                memcpy(pFb1 + 2, gFontBigDigits[c - '0'] + char_width - 3, char_width - 3);
            } else if (c == '.') {
                *pFb1 = 0x60;
                pFb0++;
                pFb1++;
                *pFb1 = 0x60;
                pFb0++;
                pFb1++;
                *pFb1 = 0x60;
                pFb0++;
                pFb1++;
                continue;
            }

        } else if (center) {
            pFb0 -= 6;
            pFb1 -= 6;
        }
        pFb0 += char_width;
        pFb1 += char_width;
    }
}


void UI_DrawPixelBuffer(uint8_t (*buffer)[128], uint8_t x, uint8_t y, bool black)
{
    if(black)
        buffer[y/8][x] |= 1 << (y%8);
    else
        buffer[y/8][x] &= ~(1 << (y%8));
}




void UI_DisplayPopup(const char *string) {
    for (uint8_t i = 0; i < 7; i++) {
        memset(gFrameBuffer[i], 0x00, 128);
    }

    // for(uint8_t i = 1; i < 5; i++) {
    // 	memset(gFrameBuffer[i]+8, 0x00, 111);
    // }

    // for(uint8_t x = 10; x < 118; x++) {
    // 	UI_DrawPixel(x, 10, true);
    // 	UI_DrawPixel(x, 46-9, true);
    // }

    // for(uint8_t y = 11; y < 37; y++) {
    // 	UI_DrawPixel(10, y, true);
    // 	UI_DrawPixel(117, y, true);
    // }
    // DrawRectangle(9,9, 118,38, true);

    UI_PrintStringSmall(string, 9, 118, 2);
    //按EXIT键
    UI_PrintStringSmall(按EXIT键, 9, 118, 6);
}