CREATE TABLE IF NOT EXISTS users (
	login TEXT PRIMARY KEY,
	display_name TEXT NOT NULL,
	git_name TEXT NOT NULL DEFAULT '',
	git_email TEXT NOT NULL DEFAULT '',
	created_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS projects (
	id TEXT PRIMARY KEY,
	name TEXT NOT NULL UNIQUE,
	repo_path TEXT NOT NULL UNIQUE,
	default_branch TEXT NOT NULL,
	remote TEXT NOT NULL,
	created_by TEXT NOT NULL REFERENCES users(login),
	created_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS tasks (
	id TEXT PRIMARY KEY,
	project_id TEXT NOT NULL REFERENCES projects(id),
	title TEXT NOT NULL,
	branch TEXT NOT NULL,
	worktree_path TEXT NOT NULL,
	base_ref TEXT NOT NULL,
	status TEXT NOT NULL,
	created_by TEXT NOT NULL REFERENCES users(login),
	created_at TEXT NOT NULL,
	completed_at TEXT
);

CREATE INDEX IF NOT EXISTS tasks_project ON tasks(project_id, created_at);

CREATE TABLE IF NOT EXISTS events (
	seq INTEGER PRIMARY KEY AUTOINCREMENT,
	kind TEXT NOT NULL,
	project_id TEXT,
	task_id TEXT,
	actor TEXT NOT NULL,
	payload TEXT NOT NULL,
	created_at TEXT NOT NULL
);