#!/bin/bash

set -euo pipefail

if [[ "$(uname -m)" != "x86_64" ]]; then
    echo "The Debian production build requires an x86_64 container" >&2
    exit 1
fi

output_name="${OUTPUT_NAME:-KompAC-debian12-amd64.AppImage}"
if [[ "$output_name" == */* || "$output_name" != *.AppImage ]]; then
    echo "OUTPUT_NAME must be a portable filename ending in .AppImage" >&2
    exit 1
fi

server_feature="${SERVER_FEATURE:-}"
server_db_mode="${SERVER_DB_MODE:-}"
case "$server_feature:$server_db_mode" in
    full-embed:embedded|full:external)
        ;;
    *)
        echo "Expected SERVER_FEATURE/SERVER_DB_MODE to be full-embed/embedded or full/external" >&2
        exit 2
        ;;
esac

source_root=/work/source
rm -rf -- "$source_root"
mkdir -p "$source_root" /out/bin /cargo-target /var/cache/yarn

echo "+ copying source snapshot into the build container"
tar \
    --exclude-vcs \
    --exclude='./target' \
    --exclude='*/target' \
    --exclude='./.direnv' \
    --exclude='*/.direnv' \
    --exclude='./.env' \
    --exclude='*/.env' \
    --exclude='./.env.*' \
    --exclude='*/.env.*' \
    --exclude='./.env_*' \
    --exclude='*/.env_*' \
    --exclude='*/.envrc' \
    --exclude='*/.agents' \
    --exclude='*/.claude' \
    --exclude='*/.codex' \
    --exclude='*/.codex-scheduled' \
    --exclude='*/.forge' \
    --exclude='*/.opencode' \
    --exclude='*/.idea' \
    --exclude='*/.vscode' \
    --exclude='./.aider*' \
    --exclude='*/tantivy_indexes' \
    --exclude='*/dumps' \
    --exclude='*/.postgres-data' \
    --exclude='*/benchmark-results' \
    --exclude='*/.mutants-run' \
    --exclude='./mutants*' \
    --exclude='*/metrics_output' \
    --exclude='*/metrics.json' \
    --exclude='*/perf.data*' \
    --exclude='*/flamegraph.svg' \
    --exclude='*/__pycache__' \
    --exclude='*/node_modules' \
    --exclude='./client-gui2/dist' \
    --exclude='./client-gui2/dist-ssr' \
    --exclude='./client-gui2/coverage' \
    --exclude='./client-gui2/.vite' \
    --exclude='./client-gui2/src-tauri/gen/schemas' \
    --exclude='./client-gui2/scripts' \
    --exclude='*.tsbuildinfo' \
    --exclude='*.log' \
    --exclude='*.swp' \
    --exclude='*.swo' \
    --exclude='*~' \
    --exclude='*.local' \
    --exclude='./server/docs-prod' \
    --exclude='./testing' \
    --exclude='./run_bins' \
    --exclude='./corporate_erp' \
    --exclude='./debian-dist' \
    --exclude='./result' \
    --exclude='./result-*' \
    -C /source -cf - \
        Cargo.toml \
        Cargo.lock \
        .cargo \
        .sqlx \
        client \
        client-gui2 \
        common \
        komp-app \
        packaging \
        search \
        server \
        tui-canvas \
        tui-pages \
        web \
    | tar -C "$source_root" -xf -

unexpected_snapshot_path="$(find "$source_root" \
    \( \
        -name target -o \
        -name node_modules -o \
        -name tantivy_indexes -o \
        -name dumps -o \
        -name .postgres-data -o \
        -name .direnv -o \
        -name .env -o \
        -name '.env.*' -o \
        -name '.env_*' -o \
        -name .envrc -o \
        -name benchmark-results -o \
        -name metrics_output -o \
        -name 'perf.data*' \
    \) \
    -print -quit)"
if [[ -n "$unexpected_snapshot_path" ]]; then
    echo "Generated or private data entered the production snapshot: $unexpected_snapshot_path" >&2
    exit 1
fi
echo "Source snapshot size: $(du -sh "$source_root" | cut -f1)"

cd "$source_root/client-gui2"
echo "+ yarn install --frozen-lockfile --non-interactive"
yarn install --frozen-lockfile --non-interactive

cd "$source_root"
echo "+ cargo build --release --package server --features $server_feature"
OPENSSL_STATIC=1 \
POSTGRESQL_VERSION='=17.10.0' \
SQLX_OFFLINE=true \
CARGO_TARGET_DIR=/cargo-target \
cargo build --release --package server --features "$server_feature"

server_binary=/cargo-target/release/server
if [[ ! -x "$server_binary" ]]; then
    echo "The release server binary was not produced" >&2
    exit 1
fi
if readelf -l "$server_binary" | grep -q '/nix/store'; then
    echo "The Debian server unexpectedly contains a Nix interpreter" >&2
    exit 1
fi
if readelf -d "$server_binary" | grep -Eq 'libssl\.so|libcrypto\.so'; then
    echo "The release server did not link OpenSSL statically" >&2
    exit 1
fi
install -Dm755 "$server_binary" /out/bin/server

cd "$source_root/client-gui2"
appimage_bundle_dir=/cargo-target/release/bundle/appimage
case "$appimage_bundle_dir" in
    /cargo-target/release/bundle/appimage)
        rm -rf -- "$appimage_bundle_dir"
        ;;
    *)
        echo "Refusing to clear unexpected AppImage staging path: $appimage_bundle_dir" >&2
        exit 1
        ;;
esac
echo "+ yarn tauri build --bundles appimage"
set +e
APPIMAGE_EXTRACT_AND_RUN=1 \
CARGO_TARGET_DIR=/cargo-target \
yarn tauri build --bundles appimage
tauri_status=$?
set -e

shopt -s nullglob
gui_appimages=("$appimage_bundle_dir"/*.AppImage)
gui_bundle=""
if [[ $tauri_status -eq 0 && ${#gui_appimages[@]} -gt 0 ]]; then
    gui_bundle="${gui_appimages[0]}"
    for candidate in "${gui_appimages[@]:1}"; do
        if [[ "$candidate" -nt "$gui_bundle" ]]; then
            gui_bundle="$candidate"
        fi
    done
fi

if [[ -z "$gui_bundle" ]]; then
    gui_appdir="$appimage_bundle_dir/komp_ac.AppDir"
    if [[ -d "$gui_appdir" ]] \
        && cmp -s /cargo-target/release/client-gui2 "$gui_appdir/usr/bin/client-gui2"; then
        gui_bundle="$gui_appdir"
        echo "Tauri completed its AppDir; bypassing its failed linuxdeploy output step"
    else
        echo "Tauri did not produce a current GUI AppImage or AppDir" >&2
        exit "${tauri_status:-1}"
    fi
fi

if [[ $tauri_status -ne 0 ]]; then
    echo "Continuing because the current release GUI and AppDir were completed before linuxdeploy failed"
fi

install -Dm755 /cargo-target/release/client-gui2 /out/bin/client-gui2

cd "$source_root"
echo "+ packaging/appimage/assemble.sh $gui_bundle $server_binary $server_db_mode /out/$output_name"
packaging/appimage/assemble.sh \
    "$gui_bundle" \
    "$server_binary" \
    "$server_db_mode" \
    "/out/$output_name"

if [[ ! -x "/out/$output_name" ]]; then
    echo "The combined AppImage was not produced" >&2
    exit 1
fi

echo
echo "Debian production artifacts:"
echo "  /out/$output_name"
echo "  /out/bin/client-gui2"
echo "  /out/bin/server"