# Stage 1: Generate dependency recipe for caching
FROM rust:1.89-bookworm AS chef
RUN cargo install cargo-chef
WORKDIR /app

FROM chef AS planner
COPY . .
RUN cargo chef prepare --recipe-path recipe.json

# Stage 2: Build dependencies + application
FROM chef AS builder

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    pkg-config libssl-dev curl unzip \
    && rm -rf /var/lib/apt/lists/*

# Install bun (for Tailwind CSS build step)
RUN curl -fsSL https://bun.sh/install | bash
ENV PATH="/root/.bun/bin:$PATH"

# Install dx CLI via cargo-binstall
RUN curl -L --proto '=https' --tlsv1.2 -sSf \
    https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh \
    | bash
RUN cargo binstall dioxus-cli@0.7.3 --root /.cargo -y --force
ENV PATH="/.cargo/bin:$PATH"

# Cook dependencies from recipe (cached layer)
COPY --from=planner /app/recipe.json recipe.json
RUN cargo chef cook --release --recipe-path recipe.json

# Copy source and build
COPY . .

# Ensure styles directory exists for build.rs tailwind step
RUN mkdir -p styles && touch styles/input.css

# Bundle the fullstack application
RUN dx bundle --platform fullstack

# Stage 3: Minimal runtime image
FROM debian:bookworm-slim AS runtime

RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates libssl3 \
    && rm -rf /var/lib/apt/lists/*

RUN useradd --create-home --shell /bin/bash app
USER app
WORKDIR /home/app

# Copy the bundled output from builder
COPY --from=builder --chown=app:app /app/target/dx/dashboard/release/web/ ./

EXPOSE 8000

ENV IP=0.0.0.0
ENV PORT=8000

ENTRYPOINT ["./server"]