#!/bin/sh
set -e

runKtlint () {
    CHANGED_KT_FILES="$(git --no-pager diff --name-status --no-color --cached | awk '$1 != "D" && $2 ~ /\.kts|\.kt/ { print $2 }')"

    if [ -z "$CHANGED_KT_FILES" ]; then
        echo "No Kotlin staged files. Hence, skipping pre-commit Ktlint run."
        return 0
    fi;

    echo "Running Ktlint over these files:"
    echo "$CHANGED_KT_FILES"


    # -q removes noise from the output if it fails.
    # TODO: -w is better, but https://github.com/JLLeitschuh/ktlint-gradle/issues/457 adds noise
    # -w should display: "CriticalExceptionTest.kt:19:1 Wildcard import (cannot be auto-corrected)"
    # Cleaning and retrying only if the ktlint fails
    if ! ./gradlew -q ktlintFormat ; then
        echo "Cleaning the project and retrying."
        # Clean is required because of https://github.com/ankidroid/Anki-Android/issues/9521
        ./gradlew clean
        ./gradlew -q ktlintFormat
    fi;

    echo "Completed ./gradlew ktlintFormat run."
    echo "$CHANGED_KT_FILES" | while read -r file; do
        if [ -f "$file" ]; then
            git add "$file"
        fi
    done
}

runPrettier () {
    # check if npx is installed, else skip runPrettier
    if ! command -v npx &> /dev/null
    then
        echo "npx could not be found. Hence, skipping pre-commit Prettier run."
        return 0
    fi

    # Run prettier over all Javascript files
    npx --yes prettier --ignore-unknown --write AnkiDroid/**/*.js

    echo "Completed npx prettier run."
    echo "$CHANGED_JS_FILES" | while read -r file; do
        if [ -f "$file" ]; then
            git add "$file"
        fi
    done
}

runKtlint
runPrettier
echo "Completed the pre-commit hook."