# Dockerfile for building synor-crypto-wasm WASM module
# Produces optimized WASM binaries for web wallet integration

# =============================================================================
# Stage 1: Build WASM Module
# =============================================================================
FROM rust:1.85-bookworm AS builder

# Install wasm-pack and build dependencies
RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh && \
    apt-get update && apt-get install -y \
    cmake \
    clang \
    libclang-dev \
    pkg-config \
    && rm -rf /var/lib/apt/lists/*

# Create app directory
WORKDIR /app

# Copy manifests (for caching)
COPY Cargo.toml Cargo.lock ./
COPY crates/ crates/

# Build WASM module for bundlers (Vite/Webpack)
WORKDIR /app/crates/synor-crypto-wasm
RUN wasm-pack build \
    --target bundler \
    --out-dir /output/pkg \
    --out-name synor_crypto \
    --release

# Also build for direct web import (no bundler)
RUN wasm-pack build \
    --target web \
    --out-dir /output/pkg-web \
    --out-name synor_crypto \
    --release

# =============================================================================
# Stage 2: Output Stage (minimal image with just the artifacts)
# =============================================================================
FROM alpine:3.19 AS output

# Copy WASM artifacts
COPY --from=builder /output /wasm-output

# Create a simple script to copy files out
RUN echo '#!/bin/sh' > /copy-wasm.sh && \
    echo 'cp -r /wasm-output/* /dest/' >> /copy-wasm.sh && \
    chmod +x /copy-wasm.sh

# Default: list what's available
CMD ["ls", "-la", "/wasm-output/pkg"]