-- DMS plugin initial migration: creates folders and files tables
CREATE TABLE IF NOT EXISTS folders (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    name VARCHAR(255) NOT NULL,
    parent_id UUID REFERENCES folders(id) ON DELETE CASCADE,
    tenant_id UUID NOT NULL,
    created_by UUID NOT NULL,
    deleted_at TIMESTAMPTZ,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);
CREATE INDEX IF NOT EXISTS ix_folders_parent ON folders(parent_id);
CREATE INDEX IF NOT EXISTS ix_folders_tenant ON folders(tenant_id);

CREATE TABLE IF NOT EXISTS files (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    name VARCHAR(255) NOT NULL,
    folder_id UUID REFERENCES folders(id) ON DELETE SET NULL,
    tenant_id UUID NOT NULL,
    uploaded_by UUID NOT NULL,
    mime_type VARCHAR(255) NOT NULL,
    size_bytes BIGINT NOT NULL,
    storage_path VARCHAR(1024) NOT NULL,
    deleted_at TIMESTAMPTZ,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);
CREATE INDEX IF NOT EXISTS ix_files_folder ON files(folder_id);
CREATE INDEX IF NOT EXISTS ix_files_tenant ON files(tenant_id);
CREATE INDEX IF NOT EXISTS ix_files_name ON files(name);