/* ui-commit.c: generate commit view
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"

static int files, slots;
static int total_adds, total_rems, max_changes;
static int lines_added, lines_removed;

static struct fileinfo {
	char status;
	unsigned char old_sha1[20];
	unsigned char new_sha1[20];
	unsigned short old_mode;
	unsigned short new_mode;
	char *old_path;
	char *new_path;
	unsigned int added;
	unsigned int removed;
} *items;


void print_fileinfo(struct fileinfo *info)
{
	char *query, *query2;
	char *class;

	switch (info->status) {
	case DIFF_STATUS_ADDED:
		class = "add";
		break;
	case DIFF_STATUS_COPIED:
		class = "cpy";
		break;
	case DIFF_STATUS_DELETED:
		class = "del";
		break;
	case DIFF_STATUS_MODIFIED:
		class = "upd";
		break;
	case DIFF_STATUS_RENAMED:
		class = "mov";
		break;
	case DIFF_STATUS_TYPE_CHANGED:
		class = "typ";
		break;
	case DIFF_STATUS_UNKNOWN:
		class = "unk";
		break;
	case DIFF_STATUS_UNMERGED:
		class = "stg";
		break;
	default:
		die("bug: unhandled diff status %c", info->status);
	}

	html("<tr>");
	htmlf("<td class='mode'>");
	if (is_null_sha1(info->new_sha1)) {
		html_filemode(info->old_mode);
	} else {
		html_filemode(info->new_mode);
	}

	if (info->old_mode != info->new_mode &&
	    !is_null_sha1(info->old_sha1) &&
	    !is_null_sha1(info->new_sha1)) {
		html("<span class='modechange'>[");
		html_filemode(info->old_mode);
		html("]</span>");
	}
	htmlf("</td><td class='%s'>", class);
	query = fmt("id=%s&id2=%s&path=%s", sha1_to_hex(info->old_sha1),
		    sha1_to_hex(info->new_sha1), info->new_path);
	html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
		       NULL, NULL);
	if (info->status == DIFF_STATUS_COPIED ||
	    info->status == DIFF_STATUS_RENAMED) {
		html_txt(info->new_path);
		htmlf("</a> (%s from ", info->status == DIFF_STATUS_COPIED ?
		      "copied" : "renamed");
		query2 = fmt("id=%s", sha1_to_hex(info->old_sha1));
		html_link_open(cgit_pageurl(cgit_query_repo, "view", query2),
			       NULL, NULL);
		html_txt(info->old_path);
		html("</a>)");
	} else {
		html_txt(info->new_path);
		html("</a>");
	}
	html("</td><td class='right'>");
	htmlf("%d", info->added + info->removed);
	html("</td><td class='graph'>");
	htmlf("<table width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
	htmlf("<td class='add' style='width: %.1f%%;'/>",
	      info->added * 100.0 / max_changes);
	htmlf("<td class='rem' style='width: %.1f%%;'/>",
	      info->removed * 100.0 / max_changes);
	htmlf("<td class='none' style='width: %.1f%%;'/>",
	      (max_changes - info->removed - info->added) * 100.0 / max_changes);
	html("</tr></table></a></td></tr>\n");
}

void cgit_count_diff_lines(char *line, int len)
{
	if (line && (len > 0)) {
		if (line[0] == '+')
			lines_added++;
		else if (line[0] == '-')
			lines_removed++;
	}
}

void inspect_filepair(struct diff_filepair *pair)
{
	files++;
	lines_added = 0;
	lines_re<style>pre { line-height: 125%; }
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