#!/bin/bash
set -e

cd $(dirname $0)/..

check_executable () {
    if [[ -z $0 ]] || [[ -z $1 ]]; then
        echo "Usage: check_executable <command-fmt>"
        exit 1
    fi
    local cmd_fmt=$1
    executable=$(echo ${cmd_fmt} | cut -d' ' -f1)
    if ! command -v "${executable}" 1>/dev/null; then
        echo "SKIP: no '${executable}' available"
        return 1
    fi
}

run_command () {
    if [[ -z $0 ]] || [[ -z $1 ]]; then
        echo "Usage: run_command <command-fmt> <paths>"
        exit 1
    fi
    local cmd_fmt=$1
    local path=$2
    local cmd=$(printf "$cmd_fmt" "$path")

    set +e
    if ${cmd}; then
        echo "PASS: ${cmd}"
    else
        echo "FAIL: ${cmd}"
        fail=1
    fi
    set -e
}

unset fail

# TODO: remove docs/kubernetes
markdown_files=$(
    find . -type f -name "*.md" \
    ! -name 'CODE_OF_CONDUCT.md' \
    ! -name 'MAINTAINERS.md' \
    ! -name 'CONTRIBUTING.md' \
    ! -name 'SECURITY.md' \
    ! -path "./.github/*" \
    ! -path "./docs/kubernetes/*" \
    ! -path "./vsphere-templates/README.md" \
    ! -path 'README.md' \
    ! -path "*/.terraform/*"
)

markdown_command_fmts=(
    "markdownlint %s"
    "spellchecker -q --files %s"
    "write-good --no-illusion --no-tooWordy %s"
)

for cmd_fmt in "${markdown_command_fmts[@]}"; do
    if ! check_executable ${cmd_fmt}; then
        continue
    fi
    for path in ${markdown_files[@]}; do
        run_command "${cmd_fmt}" "${path}"
    done
done

chart_dirs=$(
    find ./charts -type f -name "Chart.yaml" | rev | cut -d'/' -f2- | rev
)

chart_command_fmts=(
    "helm lint --quiet %s"
)

for cmd_fmt in "${chart_command_fmts[@]}"; do
    if ! check_executable ${cmd_fmt}; then
        continue
    fi
    for path in ${chart_dirs[@]}; do
        run_command "${cmd_fmt}" "${path}"
    done
done

terraform_dirs=$(
    find ./terraform -type f -name "*.tf" | rev | cut -d'/' -f2- | rev | uniq
)

terraform_command_fmts=(
    "terraform fmt --recursive -check %s"
)

for cmd_fmt in "${terraform_command_fmts[@]}"; do
    if ! check_executable ${cmd_fmt}; then
        continue
    fi
    for path in ${terraform_dirs[@]}; do
        run_command "${cmd_fmt}" "${path}"
    done
done

if [[ -n "${fail}" ]]; then
    echo "---"
    echo "FAIL: Some tests did not pass"
    exit 1
else
    echo "---"
    echo "PASS: All tests succeeded"
fi