FROM rockylinux:9

COPY ./scripts/init.sh /usr/local/bin/init.sh
RUN chmod +x /usr/local/bin/init.sh

#RUN yum install -y curl tar gzip && yum clean all

ARG ZERO_GRAVITY_VERSION
ARG ZERO_GRAVITY_CHAIN_SPEC

# 0G publishes each network from a DIFFERENT repository, and the release-tag format is not
# consistent within either of them. The asset filename is always "<spec>-v<version>.tar.gz";
# only the tag varies:
#
#   aristotle -> 0gchain-Aristotle   1.0.4 = "1.0.4"      1.0.6 = "v1.0.6"
#   galileo   -> 0gchain-NG          3.0.3 = "v3.0.3"     3.0.7 = "galileo-v3.0.7"   3.0.8 = "v3.0.8"
#
# So the tag cannot be hardcoded. Resolve it by trying the known forms in order and taking
# the first that actually yields the asset.
#
# curl uses -f (fail on HTTP error). Without it a 404 HTML body is written into the .tar.gz
# and the build dies several layers later at "tar: not in gzip format" -- an error that
# points nowhere near the real cause. That has cost three separate misdiagnoses.
RUN set -eu; \
    ASSET="${ZERO_GRAVITY_CHAIN_SPEC}-v${ZERO_GRAVITY_VERSION}.tar.gz"; \
    if [ "${ZERO_GRAVITY_CHAIN_SPEC}" = "aristotle" ]; then \
        REPO="0gfoundation/0gchain-Aristotle"; \
        TAGS="${ZERO_GRAVITY_VERSION} v${ZERO_GRAVITY_VERSION} ${ZERO_GRAVITY_CHAIN_SPEC}-v${ZERO_GRAVITY_VERSION}"; \
    else \
        REPO="0gfoundation/0gchain-NG"; \
        TAGS="v${ZERO_GRAVITY_VERSION} ${ZERO_GRAVITY_CHAIN_SPEC}-v${ZERO_GRAVITY_VERSION} ${ZERO_GRAVITY_VERSION}"; \
    fi; \
    for TAG in ${TAGS}; do \
        URL="https://github.com/${REPO}/releases/download/${TAG}/${ASSET}"; \
        echo "0g: trying tag '${TAG}' -> ${URL}"; \
        if curl -fsSL "${URL}" -o "/tmp/${ASSET}"; then \
            echo "0g: resolved ${ZERO_GRAVITY_CHAIN_SPEC} ${ZERO_GRAVITY_VERSION} from tag '${TAG}'"; \
            break; \
        fi; \
        rm -f "/tmp/${ASSET}"; \
    done; \
    if [ ! -s "/tmp/${ASSET}" ]; then \
        echo "0g: FATAL - no release asset '${ASSET}' found in ${REPO} under any of: ${TAGS}" >&2; \
        echo "0g: aristotle and galileo are SEPARATE repos on SEPARATE version lines" >&2; \
        echo "0g: aristotle = 0gchain-Aristotle (1.0.x), galileo = 0gchain-NG (3.0.x)" >&2; \
        echo "0g: check that version '${ZERO_GRAVITY_VERSION}' exists for '${ZERO_GRAVITY_CHAIN_SPEC}'" >&2; \
        exit 1; \
    fi

RUN tar -xzf /tmp/${ZERO_GRAVITY_CHAIN_SPEC}-v${ZERO_GRAVITY_VERSION}.tar.gz -C /tmp
RUN if [ "${ZERO_GRAVITY_CHAIN_SPEC}" = "galileo" ]; then \
        mv /tmp/${ZERO_GRAVITY_CHAIN_SPEC}-v${ZERO_GRAVITY_VERSION}/rpc /0g; \
    else \
        mkdir -p /0g && \
        cp -a /tmp/${ZERO_GRAVITY_CHAIN_SPEC}-v${ZERO_GRAVITY_VERSION}/* /0g/ 2>/dev/null || true; \
        cp -a /tmp/${ZERO_GRAVITY_CHAIN_SPEC}-v${ZERO_GRAVITY_VERSION}/.[^.]* /0g/ 2>/dev/null || true; \
        rm -rf /tmp/${ZERO_GRAVITY_CHAIN_SPEC}-v${ZERO_GRAVITY_VERSION}; \
    fi

RUN chmod +x /0g/bin/0gchaind
RUN chmod +x /0g/bin/geth

ENTRYPOINT [ "init.sh" ]