#include <stdio.h>
#include <string>

#include "Conver.h"
#include "Param.h"
#include "TrueTypeFont.h"

using namespace std;

static char BitmapGetChar(uint8_t data, int bpp);

int main(int argc, const char *argv[])
{
    if(argc == 1)
    {
        printf("Plese add \"-h\" param to show the help information\n");
        return 0;
    }

    int error;
    ConverParam *param = ConverParamDecode(argc, argv, &error);     //进行参数解析
    if(error != 0)
    {
        printf("param error: %s\n", ParamErrorToString(error));
        return 0;
    }
    if(param == nullptr)        //error为0但param为nullptr表示显示帮助信息(已显示)
    return 0;

    printf("param.bpp:%d\n", param->bpp);
    printf("param.size:%d\n", param->size);
    printf("param.outFileType:%d\n", param->outFileType);
    printf("param.cLevel:%d\n", param->cLevel);
    printf("param.ascii:%d\n", param->ascii);
    printf("param.zHanAll:%d\n", param->zHanAll);
    printf("param.zHanCom:%d\n", param->zHanCom);
    printf("param.outPath:%s\n", param->outPath.c_str());
    printf("param.outFileName:%s\n", param->outFileName.c_str());
    printf("param.fontFile:%s\n", param->fontFile.c_str());
    printf("param.inputFileName:%s\n", param->inputFileName.c_str());

    string inputString = "";
    FILE *txtFile = nullptr;
    if(param->inputFileName != "")
    {
        txtFile = fopen(param->inputFileName.c_str(), "r");
        fseek(txtFile, 0, SEEK_END);
        int fileSize = ftell(txtFile);      //获取文件大小
        fseek(txtFile, 0, SEEK_SET);
        char *buf = new char[fileSize];
        fread(buf, fileSize, 1, txtFile);       //读取文本
        inputString.append(buf, fileSize);

        delete[] buf;
        fclose(txtFile);
    }
        

    TrueTypeFont *font = new TrueTypeFont(param->fontFile);
    if(font->GetStatus() != TrueTypeFont::Font_NoInput)
    {
        printf("can not open font file:%s\n", param->fontFile.c_str());
        delete font;
        return 0;
    }

    string cFileName = param->outPath + param->outFileName + string(".c");
    string binFileName = param->outPath + param->outFileName + string(".bin");
    FILE *cFile = nullptr;
    FILE *binFile = nullptr;
    uint32_t cfg = 0;
    cfg |= param->ascii ? ConverAdd_Ascii : 0;
    cfg |= param->cLevel == 1 ? ConverBin_Level1 : ConverBin_Level0;
    cfg |= param->zHanCom ? ConverAdd_zHanCommonUse : 0;
    cfg |= param->zHanAll ? ConverAdd_zHanAll : 0;

    font->SetFontSize(param->size);
    font->SetBpp(param->bpp);

    cFile = fopen(cFileName.c_str(), "w");

    switch(param->outFileType)
    {
        case Conver_C_File:     //转为C文件，字库为c文件数组
            ConverCharToCFile(inputString, cFile, font, param->outFileName, cfg);
        break;
        case Conver_Bin_File:   //字库转为bin文件，字体信息保存在C文件
            binFile = fopen(binFileName.c_str(), "w");
            ConverCharToBinFile(inputString, cFile, binFile, font, param->outFileName, cfg);
        break;
        default:
        break;
    }

    //关闭文件
    fclose(cFile);
    
    if(binFile != nullptr)
        fclose(binFile);

    delete font;

    return 0;
}