FROM rust:slim AS builder

WORKDIR /app

# Install a few dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        git \
        curl \
        unzip && \
    rm -rf /var/lib/apt/lists/*

RUN rustup target add wasm32-unknown-unknown

# Install dioxus-cli
RUN curl -sSL https://dioxus.dev/install.sh | bash

ENV DAISYUI_PATH=/opt/daisyui/daisyui/
ENV DAISYUI_THEME_PATH=/opt/daisyui/theme/
ENV NODE_PATH=$DAISYUI_PATH:$DAISYUI_THEME_PATH

# Install DaisyUI bundles
RUN mkdir -p $DAISYUI_PATH $DAISYUI_THEME_PATH && \
    cd $DAISYUI_PATH && \
    curl -sLO https://github.com/saadeghi/daisyui/releases/latest/download/daisyui.js && \
    cd $DAISYUI_THEME_PATH && \
    curl -sLO https://github.com/saadeghi/daisyui/releases/latest/download/daisyui-theme.js

# Install Tailwind CSS CLI
RUN curl -sLO https://github.com/tailwindlabs/tailwindcss/releases/latest/download/tailwindcss-linux-x64 && \
    install tailwindcss-linux-x64 /usr/local/bin/tailwindcss && \
    rm tailwindcss-linux-x64

# Include Rust binaries in PATH
ENV PATH="/root/.cargo/bin:${PATH}"

# Copy project dependency manifests
COPY Cargo.toml Cargo.lock Dioxus.toml /app/

# Create dummy files to force cargo to build the dependencies
# main() content fixes "failed to find intrinsics to enable `clone_ref` function"
# See https://github.com/trunk-rs/trunk/issues/951#issuecomment-2816819963
RUN mkdir /app/src && \
    echo "fn main() { dioxus::logger::initialize_default(); }" > /app/src/main.rs && \
    echo "fn main() {}" > /app/src/build.rs

# Prebuild dependencies
RUN dx build --release --locked --web

# Remove assets from the initial build
RUN rm -rf /app/target/dx/libretunes/release/web/public

RUN rm -rf /app/src

COPY --exclude=assets/tailwind.css assets /app/assets
COPY style /app/style
COPY migrations /app/migrations
COPY src /app/src

# Copy necessary git files for getting build version
RUN mkdir /app/.git
COPY .git/HEAD .git/refs /app/.git

# dx build will run tailwindcss anyways, but doing it first here is faster and clearer if it fails
RUN tailwindcss --input style/tailwind.css --output assets/tailwind.css

# Touch files to force rebuild
RUN touch /app/src/main.rs && touch /app/src/build.rs

# Actually build
RUN dx build --release --locked --web

# Use ldd to list all dependencies of the server, then copy them to /app/libs
RUN mkdir /app/libs && ldd /app/target/dx/libretunes/release/web/server | grep "=> /" | \
    awk '{print $3}' | xargs -I '{}' cp '{}' /app/libs

# Build the final image
FROM scratch

LABEL license="MIT"
LABEL description="LibreTunes, an open-source browser audio player and \
library manager built for collaborative listening."

# Copy the binary and assets to the final image
COPY --from=builder /app/target/dx/libretunes/release/web/server /libretunes
COPY --from=builder /app/target/dx/libretunes/release/web/public /public

ENV LIBRETUNES_SERVER_PUBLIC_PATH=/public
ENV DIOXUS_PUBLIC_PATH=/public

# Copy libraries to /lib64
COPY --from=builder /app/libs /lib64
COPY --from=builder /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2

ENV LD_LIBRARY_PATH=/lib64

EXPOSE 8080

ENTRYPOINT [ "/libretunes" ]