#!/bin/bash
# init.sh — environment health check for homelab-mcp-gitea.
#
# Adapted from python-project-template-internal's init.sh but trimmed to
# what makes sense for an MCP server: no Docker, no CI-to-NAS, no deploy.
# Just the quality gate: uv sync + ruff lint + ruff format + mypy + pytest.
#
# Usage:
#   ./init.sh           # run the health check
#   ./init.sh help      # show this help
#
# Exit 0 = everything OK. Exit 1 = stop and fix before touching code.

set -e

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

ok()     { echo -e "${GREEN}[OK]${NC} $1"; }
fail()   { echo -e "${RED}[FAIL]${NC} $1"; exit 1; }
warn()   { echo -e "${YELLOW}[WARN]${NC} $1"; }

SUBCMD="${1:-check}"
shift || true

case "$SUBCMD" in
    check|"")
        echo "=== init.sh — environment check ==="

        # 1. uv
        if ! command -v uv &>/dev/null; then
            fail "uv not found. Install: curl -LsSf https://astral.sh/uv/install.sh | sh"
        fi
        ok "uv found: $(uv --version)"

        # 2. Python version
        PYTHON_VERSION=$(uv python find 2>/dev/null || echo "none")
        if [[ "$PYTHON_VERSION" == "none" ]]; then
            fail "No compatible Python found. Install: uv python install 3.12"
        fi
        ok "Python found: $PYTHON_VERSION"

        # 3. Sync dependencies
        echo "Syncing dependencies..."
        uv sync --all-groups --quiet || fail "uv sync failed"
        ok "dependencies synced"

        # 4. Ruff lint
        uv run ruff check src tests --quiet || fail "ruff check failed — run: uv run ruff check src tests"
        ok "ruff check passed"

        # 5. Ruff format
        uv run ruff format --check src tests --quiet || fail "ruff format check failed — run: uv run ruff format src tests"
        ok "ruff format passed"

        # 6. Mypy
        uv run mypy src --no-error-summary > /dev/null || fail "mypy failed — run: uv run mypy src"
        ok "mypy passed"

        # 7. Tests
        uv run pytest --tb=short -q || fail "tests failed — run: uv run pytest"
        ok "tests passed"

        echo ""
        echo -e "${GREEN}=== Environment ready ===${NC}"
        ;;

    help|--help|-h)
        cat <<EOF
init.sh — environment health check for homelab-mcp-gitea

Usage:
  ./init.sh           Run the health check (uv sync + ruff + mypy + pytest).
  ./init.sh help      Show this help.

Exit 0 means everything is green. Exit 1 means fix and retry.

Adapted from python-project-template-internal/init.sh. The MCP server has
no Docker, no CI-to-NAS, no deploy step — those parts of the template were
deliberately dropped because they don't apply to a stdio MCP subprocess.
EOF
        ;;

    *)
        echo "Unknown subcommand: $SUBCMD"
        echo "Run './init.sh help' for usage."
        exit 1
        ;;
esac