# SPDX-License-Identifier: AGPL-3.0-only
# SPDX-FileContributor: Runxi Yu <https://runxiyu.org>

.PHONY: clean version.go

CFLAGS = -Wall -Wextra -Werror -pedantic -std=c99 -D_GNU_SOURCE

forge: $(filter-out forge,$(wildcard *)) version.go git_hooks_client/*.c git_hooks_client/git_hooks_client
	go mod vendor
	CGO_ENABLED=0 go build -o $@ -ldflags '-extldflags "-f no-PIC -static"' -tags 'osusergo netgo static_build' .

git_hooks_client/git_hooks_client:

version.go:
	printf 'package main\nconst VERSION="%s"\n' $(shell git describe --tags --always --dirty) > $@

clean:
	$(RM) forge version.go vendor

-- SPDX-License-Identifier: AGPL-3.0-only
-- SPDX-FileContributor: Runxi Yu <https://runxiyu.org>

CREATE TABLE groups (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	name TEXT NOT NULL UNIQUE,
	description TEXT
);

CREATE TABLE repos (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	group_id INTEGER NOT NULL REFERENCES groups(id) ON DELETE RESTRICT, -- I mean, should be CASCADE but deleting Git repos on disk also needs to be considered
	contrib_requirements TEXT NOT NULL CHECK (contrib_requirements IN ('closed', 'registered_user', 'ssh_pubkey', 'public')),
	name TEXT NOT NULL,
	UNIQUE(group_id, name),
	description TEXT,
	filesystem_path TEXT
);

CREATE TABLE ticket_trackers (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	group_id INTEGER NOT NULL REFERENCES groups(id) ON DELETE RESTRICT,
	name TEXT NOT NULL,
	UNIQUE(group_id, name),
	description TEXT
);

CREATE TABLE tickets (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	tracker_id INTEGER NOT NULL REFERENCES ticket_trackers(id) ON DELETE CASCADE,
	title TEXT NOT NULL,
	description TEXT
);

CREATE TABLE mailing_lists (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	group_id INTEGER NOT NULL REFERENCES groups(id) ON DELETE RESTRICT,
	name TEXT NOT NULL,
	UNIQUE(group_id, name),
	description TEXT
);

CREATE TABLE mailing_list_emails (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	list_id INTEGER NOT NULL REFERENCES mailing_lists(id) ON DELETE CASCADE,
	title TEXT NOT NULL,
	sender TEXT NOT NULL,
	date TIMESTAMP NOT NULL,
	content BYTEA NOT NULL
);

CREATE TABLE users (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	username TEXT UNIQUE,
	type TEXT NOT NULL CHECK (type IN ('pubkey_only', 'registered')),
	password TEXT
);

CREATE TABLE ssh_public_keys (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	key_string TEXT NOT NULL,
	user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
	CONSTRAINT unique_key_string EXCLUDE USING HASH (key_string WITH =)
);

CREATE TABLE sessions (
	user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
	session_id TEXT PRIMARY KEY NOT NULL,
	UNIQUE(user_id, session_id)
);

-- TODO:
CREATE TABLE merge_requests (
	id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
	title TEXT,
	repo_id INTEGER NOT NULL REFERENCES repos(id) ON DELETE CASCADE,
	creator INTEGER REFERENCES users(id) ON DELETE SET NULL,
	source_ref TEXT NOT NULL,
	destination_branch TEXT,
	status TEXT NOT NULL CHECK (status IN ('open', 'merged', 'closed')),
	UNIQUE (repo_id, source_ref, destination_branch),
	UNIQUE (repo_id, id)
);

CREATE TABLE user_group_roles (
	group_id INTEGER NOT NULL REFERENCES groups(id) ON DELETE CASCADE,
	user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
	PRIMARY KEY(user_id, group_id)
);

/*
 * SPDX-License-Identifier: AGPL-3.0-only                                                                                                             
 * SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
 */

@media (prefers-color-scheme: light) {
	/* Background */ .bg { ; }
	/* PreWrapper */ .chroma { ; }
	/* Error */ .chroma .err {  }
	/* LineLink */ .chroma .lnlinks { outline: none; text-decoration: none; color: inherit }
	/* LineTableTD */ .chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; }
	/* LineTable */ .chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; }
	/* LineHighlight */ .chroma .hl { background-color: #e5e5e5 }
	/* LineNumbersTable */ .chroma .lnt { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #7f7f7f }
	/* LineNumbers */ .chroma .ln { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #7f7f7f }
	/* Line */ .chroma .line { display: flex; }
	/* Keyword */ .chroma .k { color: #008000; font-weight: bold }
	/* KeywordConstant */ .chroma .kc { color: #008000; font-weight: bold }
	/* KeywordDeclaration */ .chroma .kd { color: #008000; font-weight: bold }
	/* KeywordNamespace */ .chroma .kn { color: #008000; font-weight: bold }
	/* KeywordPseudo */ .chroma .kp { color: #008000 }
	/* KeywordReserved */ .chroma .kr { color: #008000; font-weight: bold }
	/* KeywordType */ .chroma .kt { color: #b00040 }
	/* NameAttribute */ .chroma .na { color: #7d9029 }
	/* NameBuiltin */ .chroma .nb { color: #008000 }
	/* NameClass */ .chroma .nc { color: #0000ff; font-weight: bold }
	/* NameConstant */ .chroma .no { color: #880000 }
	/* NameDecorator */ .chroma .nd { color: #aa22ff }
	/* NameEntity */ .chroma .ni { color: #999999; font-weight: bold }
	/* NameException */ .chroma .ne { color: #d2413a; font-weight: bold }
	/* NameFunction */ .chroma .nf { color: #0000ff }
	/* NameLabel */ .chroma .nl { color: #a0a000 }
	/* NameNamespace */ .chroma .nn { color: #0000ff; font-weight: bold }
	/* NameTag */ .chroma .nt { color: #008000; font-weight: bold }
	/* NameVariable */ .chroma .nv { color: #19177c }
	/* LiteralString */ .chroma .s { color: #ba2121 }
	/* LiteralStringAffix */ .chroma .sa { color: #ba2121 }
	/* LiteralStringBacktick */ .chroma .sb { color: #ba2121 }
	/* LiteralStringChar */ .chroma .sc { color: #ba2121 }
	/* LiteralStringDelimiter */ .chroma .dl { color: #ba2121 }
	/* LiteralStringDoc */ .chroma .sd { color: #ba2121; font-style: italic }
	/* LiteralStringDouble */ .chroma .s2 { color: #ba2121 }
	/* LiteralStringEscape */ .chroma .se { color: #bb6622; font-weight: bold }
	/* LiteralStringHeredoc */ .chroma .sh { color: #ba2121 }
	/* LiteralStringInterpol */ .chroma .si { color: #bb6688; font-weight: bold }
	/* LiteralStringOther */ .chroma .sx { color: #008000 }
	/* LiteralStringRegex */ .chroma .sr { color: #bb6688 }
	/* LiteralStringSingle */ .chroma .s1 { color: #ba2121 }
	/* LiteralStringSymbol */ .chroma .ss { color: #19177c }
	/* LiteralNumber */ .chroma .m { color: #666666 }
	/* LiteralNumberBin */ .chroma .mb { color: #666666 }
	/* LiteralNumberFloat */ .chroma .mf { color: #666666 }
	/* LiteralNumberHex */ .chroma .mh { color: #666666 }
	/* LiteralNumberInteger */ .chroma .mi { color: #666666 }
	/* LiteralNumberIntegerLong */ .chroma .il { color: #666666 }
	/* LiteralNumberOct */ .chroma .mo { color: #666666 }
	/* Operator */ .chroma .o { color: #666666 }
	/* OperatorWord */ .chroma .ow { color: #aa22ff; font-weight: bold }
	/* Comment */ .chroma .c { color: #408080; font-style: italic }
	/* CommentHashbang */ .chroma .ch { color: #408080; font-style: italic }
	/* CommentMultiline */ .chroma .cm { color: #408080; font-style: italic }
	/* CommentSingle */ .chroma .c1 { color: #408080; font-style: italic }
	/* CommentSpecial */ .chroma .cs { color: #408080; font-style: italic }
	/* CommentPreproc */ .chroma .cp { color: #bc7a00 }
	/* CommentPreprocFile */ .chroma .cpf { color: #bc7a00 }
	/* GenericDeleted */ .chroma .gd { color: #a00000 }
	/* GenericEmph */ .chroma .ge { font-style: italic }
	/* GenericError */ .chroma .gr { color: #ff0000 }
	/* GenericHeading */ .chroma .gh { color: #000080; font-weight: bold }
	/* GenericInserted */ .chroma .gi { color: #00a000 }
	/* GenericOutput */ .chroma .go { color: #888888 }
	/* GenericPrompt */ .chroma .gp { color: #000080; font-weight: bold }
	/* GenericStrong */ .chroma .gs { font-weight: bold }
	/* GenericSubheading */ .chroma .gu { color: #800080; font-weight: bold }
	/* GenericTraceback */ .chroma .gt { color: #0044dd }
	/* GenericUnderline */ .chroma .gl { text-decoration: underline }
	/* TextWhitespace */ .chroma .w { color: #bbbbbb }
}
@media (prefers-color-scheme: dark) {
	/* Background */ .bg { color: #e6edf3; background-color: #000000; }
	/* PreWrapper */ .chroma { color: #e6edf3; background-color: #000000; }
	/* Error */ .chroma .err { color: #f85149 }
	/* LineLink */ .chroma .lnlinks { outline: none; text-decoration: none; color: inherit }
	/* LineTableTD */ .chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; }
	/* LineTable */ .chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; }
	/* LineHighlight */ .chroma .hl { background-color: #6e7681 }
	/* LineNumbersTable */ .chroma .lnt { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #737679 }
	/* LineNumbers */ .chroma .ln { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #6e7681 }
	/* Line */ .chroma .line { display: flex; }
	/* Keyword */ .chroma .k { color: #ff7b72 }
	/* KeywordConstant */ .chroma .kc { color: #79c0ff }
	/* KeywordDeclaration */ .chroma .kd { color: #ff7b72 }
	/* KeywordNamespace */ .chroma .kn { color: #ff7b72 }
	/* KeywordPseudo */ .chroma .kp { color: #79c0ff }
	/* KeywordReserved */ .chroma .kr { color: #ff7b72 }
	/* KeywordType */ .chroma .kt { color: #ff7b72 }
	/* NameClass */ .chroma .nc { color: #f0883e; font-weight: bold }
	/* NameConstant */ .chroma .no { color: #79c0ff; font-weight: bold }
	/* NameDecorator */ .chroma .nd { color: #d2a8ff; font-weight: bold }
	/* NameEntity */ .chroma .ni { color: #ffa657 }
	/* NameException */ .chroma .ne { color: #f0883e; font-weight: bold }
	/* NameFunction */ .chroma .nf { color: #d2a8ff; font-weight: bold }
	/* NameLabel */ .chroma .nl { color: #79c0ff; font-weight: bold }
	/* NameNamespace */ .chroma .nn { color: #ff7b72 }
	/* NameProperty */ .chroma .py { color: #79c0ff }
	/* NameTag */ .chroma .nt { color: #7ee787 }
	/* NameVariable */ .chroma .nv { color: #79c0ff }
	/* Literal */ .chroma .l { color: #a5d6ff }
	/* LiteralDate */ .chroma .ld { color: #79c0ff }
	/* LiteralString */ .chroma .s { color: #a5d6ff }
	/* LiteralStringAffix */ .chroma .sa { color: #79c0ff }
	/* LiteralStringBacktick */ .chroma .sb { color: #a5d6ff }
	/* LiteralStringChar */ .chroma .sc { color: #a5d6ff }
	/* LiteralStringDelimiter */ .chroma .dl { color: #79c0ff }
	/* LiteralStringDoc */ .chroma .sd { color: #a5d6ff }
	/* LiteralStringDouble */ .chroma .s2 { color: #a5d6ff }
	/* LiteralStringEscape */ .chroma .se { color: #79c0ff }
	/* LiteralStringHeredoc */ .chroma .sh { color: #79c0ff }
	/* LiteralStringInterpol */ .chroma .si { color: #a5d6ff }
	/* LiteralStringOther */ .chroma .sx { color: #a5d6ff }
	/* LiteralStringRegex */ .chroma .sr { color: #79c0ff }
	/* LiteralStringSingle */ .chroma .s1 { color: #a5d6ff }
	/* LiteralStringSymbol */ .chroma .ss { color: #a5d6ff }
	/* LiteralNumber */ .chroma .m { color: #a5d6ff }
	/* LiteralNumberBin */ .chroma .mb { color: #a5d6ff }
	/* LiteralNumberFloat */ .chroma .mf { color: #a5d6ff }
	/* LiteralNumberHex */ .chroma .mh { color: #a5d6ff }
	/* LiteralNumberInteger */ .chroma .mi { color: #a5d6ff }
	/* LiteralNumberIntegerLong */ .chroma .il { color: #a5d6ff }
	/* LiteralNumberOct */ .chroma .mo { color: #a5d6ff }
	/* Operator */ .chroma .o { color: #ff7b72; font-weight: bold }
	/* OperatorWord */ .chroma .ow { color: #ff7b72; font-weight: bold }
	/* Comment */ .chroma .c { color: #8b949e; font-style: italic }
	/* CommentHashbang */ .chroma .ch { color: #8b949e; font-style: italic }
	/* CommentMultiline */ .chroma .cm { color: #8b949e; font-style: italic }
	/* CommentSingle */ .chroma .c1 { color: #8b949e; font-style: italic }
	/* CommentSpecial */ .chroma .cs { color: #8b949e; font-weight: bold; font-style: italic }
	/* CommentPreproc */ .chroma .cp { color: #8b949e; font-weight: bold; font-style: italic }
	/* CommentPreprocFile */ .chroma .cpf { color: #8b949e; font-weight: bold; font-style: italic }
	/* GenericDeleted */ .chroma .gd { color: #ffa198; background-color: #490202 }
	/* GenericEmph */ .chroma .ge { font-style: italic }
	/* GenericError */ .chroma .gr { color: #ffa198 }
	/* GenericHeading */ .chroma .gh { color: #79c0ff; font-weight: bold }
	/* GenericInserted */ .chroma .gi { color: #56d364; background-color: #0f5323 }
	/* GenericOutput */ .chroma .go { color: #8b949e }
	/* GenericPrompt */ .chroma .gp { color: #8b949e }
	/* GenericStrong */ .chroma .gs { font-weight: bold }
	/* GenericSubheading */ .chroma .gu { color: #79c0ff }
	/* GenericTraceback */ .chroma .gt { color: #ff7b72 }
	/* GenericUnderline */ .chroma .gl { text-decoration: underline }
	/* TextWhitespace */ .chroma .w { color: #6e7681 }
}

/*
 * SPDX-License-Identifier: AGPL-3.0-only                                                                                                             
 * SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
 */

/* Base styles and variables */
html {
	font-family: sans-serif;
	background-color: var(--background-color);
	color: var(--text-color);
	--background-color: hsl(0, 0%, 100%);
	--text-color: hsl(0, 0%, 0%);
	--link-color: hsl(320, 50%, 36%);
	--light-text-color: hsl(0, 0%, 45%);
	--darker-border-color: hsl(0, 0%, 72%);
	--lighter-border-color: hsl(0, 0%, 85%);
	--text-decoration-color: hsl(0, 0%, 72%);
	--darker-box-background-color: hsl(0, 0%, 92%);
	--lighter-box-background-color: hsl(0, 0%, 95%);
	--primary-color: hsl(320, 50%, 36%);
	--primary-color-contrast: hsl(320, 0%, 100%);
	--danger-color: hsl(0, 50%, 36%);
	--danger-color-contrast: hsl(0, 0%, 100%);
}

/* Dark mode overrides */
@media (prefers-color-scheme: dark) {
	html {
		--background-color: hsl(0, 0%, 0%);
		--text-color: hsl(0, 0%, 100%);
		--link-color: hsl(320, 50%, 76%);
		--light-text-color: hsl(0, 0%, 78%);
		--darker-border-color: hsl(0, 0%, 35%);
		--lighter-border-color: hsl(0, 0%, 25%);
		--text-decoration-color: hsl(0, 0%, 30%);
		--darker-box-background-color: hsl(0, 0%, 20%);
		--lighter-box-background-color: hsl(0, 0%, 15%);
	}
}

/* Global layout */
body {
	margin: 0;
}
html, code, pre {
	font-size: 0.96rem; /* TODO: Not always correct */
}

/* Toggle table controls */
.toggle-table-off, .toggle-table-on {
	opacity: 0;
	position: absolute;
}
.toggle-table-off:focus-visible + table > thead > tr > th > label,
.toggle-table-on:focus-visible + table > thead > tr > th > label {
	outline: 1.5px var(--primary-color) solid;
}
.toggle-table-off + table > thead > tr > th, .toggle-table-on + table > thead > tr > th {
	padding: 0;
}
.toggle-table-off + table > thead > tr > th > label, .toggle-table-on + table > thead > tr > th > label {
	width: 100%;
	display: inline-block;
	padding: 3px 0;
	cursor: pointer;
}
.toggle-table-off:checked + table > tbody {
	display: none;
}
.toggle-table-on + table > tbody {
	display: none;
}
.toggle-table-on:checked + table > tbody {
	display: table-row-group;
}

/* Footer styles */
footer {
	margin-top: 1rem;
	margin-left: auto;
	margin-right: auto;
	display: block;
	padding: 0 5px;
	width: fit-content;
	text-align: center;
	color: var(--light-text-color);
}
footer a:link, footer a:visited {
	color: inherit;
}

/* Padding containers */
.padding-wrapper {
	margin: 1rem auto;
	max-width: 60rem;
	padding: 0 5px;
}
.padding {
	padding: 0 5px;
}

/* Link styles */
a:link, a:visited {
	text-decoration-color: var(--text-decoration-color);
	color: var(--link-color);
}

/* Readme inline code styling */
#readme code:not(pre > code) {
	background-color: var(--lighter-box-background-color);
	border-radius: 2px;
	padding: 2px;
}

/* Readme word breaks to avoid overfull hboxes */
#readme {
	word-break: break-word;
}

/* Table styles */
table {
	border: var(--lighter-border-color) solid 1px;
	border-spacing: 0px;
	border-collapse: collapse;
}
table.wide {
	width: 100%;
}
td, th {
	padding: 3px 5px;
	border: var(--lighter-border-color) solid 1px;
}
.pad {
	padding: 3px 5px;
}
th, thead, tfoot {
	background-color: var(--lighter-box-background-color);
}
th[scope=row] {
	text-align: left;
}
tr.title-row > th, th.title-row, .title-row {
	background-color: var(--lighter-box-background-color);
}
td > pre {
	margin: 0;
}
#readme > *:last-child {
	margin-bottom: 0;
}
#readme > *:first-child {
	margin-top: 0;
}

/* Table misc and scrolling */
.commit-id {
	font-family: monospace;
	word-break: break-word;
}
.scroll {
	overflow-x: auto;
}

/* Diff/chunk styles */
.chunk-unchanged {
	color: grey;
}
.chunk-addition {
	background-color: green;
}
@media (prefers-color-scheme: dark) {
	.chunk-addition {
		background-color: lime;
	}
}
.chunk-deletion {
	background-color: red;
}
.chunk-unknown {
	background-color: yellow;
}
pre.chunk {
	margin-top: 0;
	margin-bottom: 0;
}
.centering {
	text-align: center;
}

/* Toggle content sections */
.toggle-off-wrapper, .toggle-on-wrapper {
	border: var(--lighter-border-color) solid 1px;
}
.toggle-off-toggle, .toggle-on-toggle {
	opacity: 0;
	position: absolute;
}
.toggle-off-header, .toggle-on-header {
	font-weight: bold;
	cursor: pointer;
	display: block;
	width: 100%;
	background-color: var(--lighter-box-background-color);
}
.toggle-off-header > div, .toggle-on-header > div {
	padding: 3px 5px;
	display: block;
}
.toggle-on-content {
	display: none;
}
.toggle-on-toggle:focus-visible + .toggle-on-header, .toggle-off-toggle:focus-visible + .toggle-off-header {
	outline: 1.5px var(--primary-color) solid;
}
.toggle-on-toggle:checked + .toggle-on-header + .toggle-on-content {
	display: block;
}
.toggle-off-content {
	display: block;
}
.toggle-off-toggle:checked + .toggle-off-header + .toggle-off-content {
	display: none;
}

/* File display styles */
.file-patch + .file-patch {
	margin-top: 0.5rem;
}
.file-content {
	padding: 3px 5px;
}
.file-header {
	font-family: monospace;
}

/* Form elements */
textarea {
	box-sizing: border-box;
	background-color: var(--lighter-box-background-color);
	resize: vertical;
}
textarea,
input[type=text],
input[type=password] {
	font-family: sans-serif;
	font-size: smaller;
	background-color: var(--lighter-box-background-color);
	color: var(--text-color);
	border: none;
	padding: 0.3rem;
	width: 100%;
	box-sizing: border-box;
}
td.tdinput, th.tdinput {
	padding: 0;
}
td.tdinput textarea,
td.tdinput input[type=text],
td.tdinput input[type=password],
th.tdinput textarea,
th.tdinput input[type=text],
th.tdinput input[type=password] {
	background-color: transparent;
}

/* Button styles */
.btn-primary, a.btn-primary {
	background: var(--primary-color);
	color: var(--primary-color-contrast);
	border: var(--lighter-border-color) 1px solid;
	font-weight: bold;
}
.btn-danger, a.btn-danger {
	background: var(--danger-color);
	color: var(--danger-color-contrast);
	border: var(--lighter-border-color) 1px solid;
	font-weight: bold;
}
.btn-white, a.btn-white {
	background: var(--primary-color-contrast);
	color: var(--primary-color);
	border: var(--lighter-border-color) 1px solid;
}
.btn-normal, a.btn-normal,
input[type=file]::file-selector-button {
	background: var(--lighter-box-background-color);
	border: var(--lighter-border-color) 1px solid !important;
	color: var(--text-color);
}
.btn, .btn-white, .btn-danger, .btn-normal, .btn-primary,
input[type=submit],
input[type=file]::file-selector-button {
	display: inline-block;
	width: auto;
	min-width: fit-content;
	border-radius: 0;
	padding: .1rem .75rem;
	font-size: 0.9rem;
	transition: background .1s linear;
	cursor: pointer;
}
a.btn, a.btn-white, a.btn-danger, a.btn-normal, a.btn-primary {
	text-decoration: none;
}

/* Header layout */
header#main-header {
	background-color: var(--lighter-box-background-color);
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 10px;
}
header#main-header > div#main-header-forge-title {
	flex-grow: 1;
}
header#main-header > div#main-header-user {
	display: flex;
	align-items: center;
}