#!/bin/sh
set -eu

CODEX_BIN="${CODEX_BIN:-codex}"
BOT_WORKSPACE_ROOT="${BOT_WORKSPACE_ROOT:-/workspaces}"
CODEX_APP_SERVER_URL="${CODEX_APP_SERVER_URL:-ws://127.0.0.1:4500}"
CODEX_APP_SERVER_LISTEN="${CODEX_APP_SERVER_LISTEN:-$CODEX_APP_SERVER_URL}"
CODEX_APP_SERVER_ENABLED="${CODEX_APP_SERVER_ENABLED:-true}"
CODEX_APP_SERVER_CWD="${CODEX_APP_SERVER_CWD:-$BOT_WORKSPACE_ROOT}"
CODEX_APP_SERVER_SANDBOX="${CODEX_APP_SERVER_SANDBOX:-${CODEX_READONLY_SANDBOX:-read-only}}"
CODEX_APP_SERVER_APPROVAL_POLICY="${CODEX_APP_SERVER_APPROVAL_POLICY:-never}"
GITEA_GIT_AUTH_ENABLED="${GITEA_GIT_AUTH_ENABLED:-true}"

APP_SERVER_PID=""

cleanup() {
    if [ -n "$APP_SERVER_PID" ] && kill -0 "$APP_SERVER_PID" 2>/dev/null; then
        kill "$APP_SERVER_PID" 2>/dev/null || true
        wait "$APP_SERVER_PID" 2>/dev/null || true
    fi
}

trap cleanup INT TERM EXIT

mkdir -p /app/data "$BOT_WORKSPACE_ROOT" "${CODEX_HOME:-/root/.codex}"

if [ "$GITEA_GIT_AUTH_ENABLED" = "true" ] && [ -n "${GITEA_TOKEN:-}" ]; then
    export GIT_ASKPASS="/app/scripts/gitea-askpass.sh"
    export GIT_TERMINAL_PROMPT=0
    if [ -n "${GITEA_USERNAME:-}" ]; then
        git config --global user.name "$GITEA_USERNAME" || true
    fi
    if [ -n "${GITEA_EMAIL:-}" ]; then
        git config --global user.email "$GITEA_EMAIL" || true
    fi
fi

python -m app.ensure_codex_config

if [ "$CODEX_APP_SERVER_ENABLED" = "true" ]; then
    echo "Starting Codex app-server at $CODEX_APP_SERVER_LISTEN"
    "$CODEX_BIN" \
        --cd "$CODEX_APP_SERVER_CWD" \
        --sandbox "$CODEX_APP_SERVER_SANDBOX" \
        --ask-for-approval "$CODEX_APP_SERVER_APPROVAL_POLICY" \
        app-server \
        --listen "$CODEX_APP_SERVER_LISTEN" \
        &
    APP_SERVER_PID="$!"

    if echo "$CODEX_APP_SERVER_LISTEN" | grep -q '^ws://'; then
        HEALTH_URL="$(echo "$CODEX_APP_SERVER_LISTEN" | sed 's#^ws://#http://#')/readyz"
        for _ in $(seq 1 30); do
            if curl -fsS "$HEALTH_URL" >/dev/null 2>&1; then
                echo "Codex app-server is ready"
                break
            fi
            if ! kill -0 "$APP_SERVER_PID" 2>/dev/null; then
                echo "Codex app-server exited before becoming ready"
                break
            fi
            sleep 1
        done
    fi
fi

python -m app.main