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#include "quotes.h"
#include "assets.h"

#include <stdbool.h>
#include <stdlib.h>
#include <string.h>

char *ASSET_TYPE_NAMES[] = {
	FOREACH_ASSET_TYPE(GENERATE_STRING)
};

void asset_free(struct asset *a)
{
	free(a->symbol);
	free(a);
}

int asset_cmp(const void *a, const void *b)
{
	struct asset *aa = *(struct asset **)a;
	struct asset *bb = *(struct asset **)b;

	if (aa->type > bb->type)
		return 1;
	else if (aa->type < bb->type)
		return -1;
	else
		if (aa->usd_tot > bb->usd_tot)
			return -1;
		else if (aa->usd_tot < bb->usd_tot)
			return 1;
		else
			return 0;
}

void add_quotes_to_assets(struct asset **assets, int n_assets,
	struct quote **quotes, int n_quotes)
{
	for (int i = 0; i < n_assets; ++i) {
		struct quote *quote = quote_find(quotes, n_quotes, assets[i]->symbol,
			"USD");
		if (quote) {
			assets[i]->usd = true;
			assets[i]->usd_pr = quote->price;
			assets[i]->usd_ch = quote->change_percent;
			assets[i]->usd_tot = assets[i]->amt * quote->price *
				(quote->multiplier ? quote->multiplier : 1);
		}

		quote = quote_find(quotes, n_quotes, assets[i]->symbol, "BTC");
		if (quote) {
			assets[i]->btc = true;
			assets[i]->btc_pr = quote->price;
			assets[i]->btc_ch = quote->change_percent;
			assets[i]->btc_tot = assets[i]->amt * quote->price *
				(quote->multiplier ? quote->multiplier : 1);
		} else if (strcmp(assets[i]->symbol, "BTC") == 0) {
			assets[i]->btc = true;
			assets[i]->btc_pr = 1;
			assets[i]->btc_tot = assets[i]->amt;
		}
	}
}

int add_totals(struct asset **assets, int n_assets)
{
	struct asset **totals = calloc(4, sizeof(*totals));
	totals[3] = calloc(1, sizeof(**totals));

	for (int i = 0; i < n_assets; ++i) {
		if (assets[i]->usd) {
			totals[3]->usd = true;
			totals[3]->usd_tot += assets[i]->usd_tot;
			if (!totals[assets[i]->type])
				totals[assets[i]->type] = calloc(1, sizeof(**totals));
			totals[assets[i]->type]->usd = true;
			totals[assets[i]->type]->usd_tot += assets[i]->usd_tot;
		}
		if (assets[i]->btc) {
			totals[3]->btc = true;
			totals[3]->btc_tot += assets[i]->btc_tot;
			if (!totals[assets[i]->type])
				totals[assets[i]->type] = calloc(1, sizeof(**totals));
			totals[assets[i]->type]->btc = true;
			totals[assets[i]->type]->btc_tot += assets[i]->btc_tot;
		}
	}

	int c = 0;
	for (int i = 0; i < 4; ++i) {
		if (totals[i]) {
			totals[i]->symbol = strdup(ASSET_TYPE_NAMES[i]);
			totals[i]->type = TOTAL;
			assets[n_assets + c++] = totals[i];
		}
	}

	free(totals);
	return c;
}