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#include "assets.h"
#include "output.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <lua.h>
static int push_field(lua_State *L, struct asset *a, const char *field)
{
int n = 0;
if (strcmp(field, "symbol") == 0) {
lua_pushstring(L, a->symbol);
++n;
} else if (strcmp(field, "type") == 0) {
lua_pushstring(L, ASSET_TYPE_NAMES[a->type]);
++n;
} else if (strcmp(field, "usd_price") == 0) {
if (a->usd && a->type != TOTAL) {
lua_pushnumber(L, a->usd_pr);
++n;
}
} else if (strcmp(field, "usd_change") == 0) {
if (a->usd && a->type != TOTAL) {
lua_pushnumber(L, a->usd_ch);
++n;
}
} else if (strcmp(field, "usd_total") == 0) {
if (a->usd) {
lua_pushnumber(L, a->usd_tot);
++n;
}
} else if (strcmp(field, "btc_price") == 0) {
if (a->btc && a->type != TOTAL) {
lua_pushnumber(L, a->btc_pr);
++n;
}
} else if (strcmp(field, "btc_change") == 0) {
if (a->btc && a->type != TOTAL) {
lua_pushnumber(L, a->btc_ch);
++n;
}
} else if (strcmp(field, "btc_total") == 0) {
if (a->btc) {
lua_pushnumber(L, a->btc_tot);
++n;
}
}
return n;
}
static int decolour_len(const char *str)
{
int len = strlen(str);
while ((str = strchr(str, '\033'))) {
char *ptr = strchr(str, 'm') + 1;
len -= ptr - str;
str = ptr;
}
return len;
}
void output(struct asset **assets, int assets_len, lua_State *L)
{
lua_getglobal(L, "columns");
int len = lua_rawlen(L, -1);
lua_pop(L, 1);
int *widths = calloc(len, sizeof(int));
char ***out = calloc(assets_len, sizeof(char **));
for (int i = 0; i < assets_len; ++i) {
out[i] = calloc(len, sizeof(char *));
lua_getglobal(L, "columns");
lua_pushnil(L);
int j = 0;
while (lua_next(L, -2)) {
lua_rawgeti(L, -1, 1);
const char *x = lua_tostring(L, -1);
lua_pop(L, 1);
char *y;
lua_rawgeti(L, -1, 2);
if (push_field(L, assets[i], x) > 0) {
lua_pushlightuserdata(L, assets[i]);
lua_pcall(L, 2, 1, 0);
y = strdup(lua_tostring(L, -1));
} else {
y = strdup("");
}
lua_pop(L, 1);
int dlen = decolour_len(y);
if (dlen > widths[j])
widths[j] = dlen;
out[i][j++] = y;
lua_pop(L, 1);
}
lua_pop(L, 1);
}
for (int i = 0; i < assets_len; ++i) {
for (int j = 0; j < len; ++j) {
printf("%*s%s", widths[j] - decolour_len(out[i][j]) + 2, "",
out[i][j]);
}
printf("\n");
}
free(widths);
for (int i = 0; i < assets_len; ++i) {
for (int j = 0; j < len; ++j) {
free(out[i][j]);
}
free(out[i]);
}
free(out);
}
int push_field_lua(lua_State *L) {
struct asset *a = lua_touserdata(L, 1);
const char *field = lua_tostring(L, 2);
return push_field(L, a, field);
}
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