#!/bin/sh
# Builds Factorio for iPhone from your local Steam copy, installs it on the connected iPhone and
# copies the game data. Safe to run again: data that is already on the phone is skipped and saves
# are kept. Extra arguments are passed to tools/build_native.py (see docs/building.md).
cd "$(dirname "$0")" || exit 1
mkdir -p build
LOG=build/install.log
: > "$LOG"

fail() {
    echo
    echo "Failed: $1"
    echo "Details are in $LOG"
    exit 1
}

step() {
    # step "message" args... : run build_native.py with args, logging its output.
    message=$1; shift
    printf '%s... ' "$message"
    if python3 tools/build_native.py "$@" >> "$LOG" 2>&1; then
        echo "ok"
    else
        echo
        if grep -q "not, or could not be, unlocked" "$LOG"; then
            fail "device was not unlocked. Unlock the iPhone and run ./install.sh again."
        fi
        # build_native.py ends with a one-line explanation of what went wrong.
        reason=$(grep -v '^+' "$LOG" | grep -v '^\s*$' | tail -n 3)
        fail "$reason"
    fi
}

command -v xcrun > /dev/null 2>&1 || fail "Xcode is not installed (README step 1)."
xcrun --sdk iphoneos --show-sdk-path > /dev/null 2>&1 || fail "Xcode's iOS platform is missing (README step 1)."
command -v python3 > /dev/null 2>&1 || fail "python3 not found; open Xcode once to finish installing its tools."

step "Building the app" "$@"
step "Installing on the iPhone" --no-build --install "$@"
step "Copying game data to the iPhone (first time takes a few minutes)" --no-build --push-data "$@"
echo
echo "Done. Open Factorio from the iPhone home screen."