# syntax=docker/dockerfile:1.7
# thothii-core: Fastify (Node 22) + harness Python 3.12 (tht CLI) + runtime Pi.
# Singolo container, entrypoint logico "server" (default).
ARG PI_VERSION=0.80.3
ARG IMAGE_VERSION=local

# ---- Pinned Node source for the runtime binary and npm ----
FROM node:22-bookworm@sha256:7725a5c2c83eed1d36258c66efae14b1ceccd021db9ed1d9559d3335ed3d68ed AS node-runtime

# ---- Stage 0: locked Pi runtime ----
FROM node:22-bookworm@sha256:7725a5c2c83eed1d36258c66efae14b1ceccd021db9ed1d9559d3335ed3d68ed AS pi-runtime-build
ARG PI_VERSION
WORKDIR /opt/pi-runtime
COPY docker/pi-runtime/package.json docker/pi-runtime/package-lock.json ./
RUN npm ci --omit=dev \
 && test "$(./node_modules/.bin/pi --version)" = "$PI_VERSION"

# ---- Stage 1: backend TypeScript -> dist ----
FROM node:22-bookworm@sha256:7725a5c2c83eed1d36258c66efae14b1ceccd021db9ed1d9559d3335ed3d68ed AS backend-build
WORKDIR /src/backend
COPY backend/package*.json ./
RUN npm ci
COPY backend/ ./
RUN npm run build

# ---- Stage 2: runtime (Python 3.12 nativo + Node 22 copiato, stesso glibc bookworm) ----
FROM python:3.12-slim-bookworm@sha256:d50fb7611f86d04a3b0471b46d7557818d88983fc3136726336b2a4c657aa30b AS runtime
ARG PI_VERSION
ARG IMAGE_VERSION
LABEL org.opencontainers.image.title="thothii-core" \
      org.opencontainers.image.version="${IMAGE_VERSION}" \
      org.opencontainers.image.description="ThothII core with its embedded Pi runtime" \
      io.thothii.pi.version="${PI_VERSION}"

# Runtime tools
RUN set -eux; \
    runtime_packages="curl ca-certificates ripgrep fd-find tini git openssh-client"; \
    if ! command -v flock >/dev/null 2>&1; then \
        runtime_packages="$runtime_packages util-linux"; \
    fi; \
    apt-get update; \
    apt-get install -y --no-install-recommends $runtime_packages; \
    rm -rf /var/lib/apt/lists/*; \
    command -v flock >/dev/null 2>&1; \
    ln -s /usr/bin/fdfind /usr/local/bin/fd

# Node 22 + npm copiati dall'immagine ufficiale (stesso Debian bookworm → binario compatibile)
COPY --from=node-runtime /usr/local/bin/node /usr/local/bin/node
COPY --from=node-runtime /usr/local/lib/node_modules /usr/local/lib/node_modules
RUN ln -s /usr/local/lib/node_modules/npm/bin/npm-cli.js /usr/local/bin/npm \
 && ln -s /usr/local/lib/node_modules/npm/bin/npx-cli.js /usr/local/bin/npx

# Utente non-root
RUN useradd --create-home --uid 10001 --shell /bin/bash thoth
# Docker copies these owned directories into newly-created named volumes, allowing the non-root
# runtime user to create application settings, sessions, registry snapshots, state, and locks.
RUN mkdir -p /home/thoth/.pi/agent /data/settings /data/sessions /data/workspace-registry /data/workspace-secrets \
 && chown -R thoth:thoth /home/thoth/.pi /data

COPY harness/ /app/harness/
# Pi scrive lock/settings in .pi: ownership thoth per sopravvivere al rebuild
RUN chown -R thoth:thoth /app/harness/.pi

# Harness: venv nativo (python 3.12) + tht installato (non-editable).
# tht carica workflow.yaml module-relative (Path(__file__).parent.parent); con il package
# in site-packages quel path non contiene workflow.yaml -> lo copiamo dopo l'install.
# (pip install -e non funziona: pip non riconosce /app/harness come editable req.)
# psycopg2-binary è wheel → niente gcc/libpq-dev.
RUN python -m venv /opt/venv \
    && /opt/venv/bin/pip install --no-cache-dir --upgrade pip \
    && (cd /app/harness && /opt/venv/bin/pip install --no-cache-dir .) \
    && cp /app/harness/workflow.yaml /opt/venv/lib/python3.12/site-packages/workflow.yaml
# Il workspace locale predefinito converge sul file canonico. Il CLI onora anche THT_CONFIG,
# quindi cambiare CWD non cambia l'identita' dello workspace.
RUN mkdir -p /app/harness/config \
    && cp --remove-destination /app/harness/workspaces/local.yaml /app/harness/config/tht.yaml
# PiProcessManager (backend) prepende harnessDir/.venv/bin al PATH del child Pi → symlink al venv reale
RUN ln -s /opt/venv /app/harness/.venv

# Backend: dist + node_modules (stesso Node major 22 + glibc bookworm → compatibili)
COPY --from=backend-build /src/backend/dist /app/backend/dist
COPY --from=backend-build /src/backend/node_modules /app/backend/node_modules
COPY backend/package*.json /app/backend/

# Runtime Pi is installed only from the committed lockfile. The image exposes its immutable
# executable directly, so no host Pi installation or writable global npm directory is needed.
COPY --from=pi-runtime-build /opt/pi-runtime/node_modules /opt/pi-runtime/node_modules
RUN ln -s /opt/pi-runtime/node_modules/.bin/pi /usr/local/bin/pi \
 && test "$(pi --version)" = "$PI_VERSION"

ENV PATH="/opt/venv/bin:/usr/local/bin:$PATH" \
    PI_VERSION="${PI_VERSION}" \
    HOST=0.0.0.0 PORT=8787 \
    THT_HARNESS_DIR=/app/harness \
    THT_BIN=/opt/venv/bin/tht \
    PI_BIN=pi \
    HOME=/home/thoth

COPY scripts/verify-line-endings.sh /usr/local/bin/verify-line-endings
COPY docker/core-entrypoint.sh docker/workspace-maintenance-entrypoint.sh docker/session-migrate.sh docker/ensure-pi-trust.mjs docker/embedding-model-init.sh /app/docker/
COPY docker/smoke/core-smoke.sh /app/docker/smoke/core-smoke.sh
RUN /usr/local/bin/verify-line-endings /app/docker \
 && chmod +x /app/docker/core-entrypoint.sh /app/docker/workspace-maintenance-entrypoint.sh /app/docker/session-migrate.sh /app/docker/embedding-model-init.sh /app/docker/smoke/core-smoke.sh

WORKDIR /app/backend
USER thoth
EXPOSE 8787
HEALTHCHECK --interval=15s --timeout=3s --retries=5 --start-period=30s \
  CMD curl -fsS http://127.0.0.1:8787/health || exit 1
ENTRYPOINT ["/usr/bin/tini","--","/app/docker/core-entrypoint.sh"]
CMD ["server"]