-- +goose Up
CREATE TABLE IF NOT EXISTS project_members (
    id            BIGSERIAL PRIMARY KEY,
    project_id    BIGINT NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
    user_id       BIGINT NOT NULL,
    project_role  TEXT NOT NULL DEFAULT 'member',
    status        TEXT NOT NULL DEFAULT 'active',
    joined_at     TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at    TIMESTAMPTZ NOT NULL DEFAULT now(),
    CONSTRAINT uq_project_member UNIQUE (project_id, user_id)
);

CREATE INDEX IF NOT EXISTS idx_project_members_user ON project_members(user_id);
CREATE INDEX IF NOT EXISTS idx_project_members_project ON project_members(project_id);

INSERT INTO project_members (project_id, user_id, project_role, status, joined_at, updated_at)
SELECT p.id, p.creator_user_id, 'owner', 'active', now(), now()
FROM projects p
WHERE p.creator_user_id IS NOT NULL AND p.creator_user_id > 0
ON CONFLICT (project_id, user_id) DO NOTHING;

-- +goose Down
DROP TABLE IF EXISTS project_members;