#!/usr/bin/env bash
set -euo pipefail

ENV_FILE="${1:-.env}"

if [[ ! -f "$ENV_FILE" ]]; then
    echo "ERROR: Cannot find $ENV_FILE"
    exit 1
fi

# Load only the Paddle values we need.
get_env() {
    grep -E "^${1}=" "$ENV_FILE" | head -1 | cut -d= -f2-
}

PADDLE_ENVIRONMENT="$(get_env PADDLE_ENVIRONMENT)"
PADDLE_API_URL="$(get_env PADDLE_API_URL)"
PADDLE_API_KEY="$(get_env PADDLE_API_KEY)"

PERSONAL_MONTHLY="$(get_env PADDLE_PERSONAL_MONTHLY_PRICE_ID)"
PERSONAL_ANNUAL="$(get_env PADDLE_PERSONAL_ANNUAL_PRICE_ID)"
PRO_MONTHLY="$(get_env PADDLE_PROFESSIONAL_MONTHLY_PRICE_ID)"
PRO_ANNUAL="$(get_env PADDLE_PROFESSIONAL_ANNUAL_PRICE_ID)"

if [[ -z "$PADDLE_API_KEY" ]]; then
    echo "ERROR: PADDLE_API_KEY is missing"
    exit 1
fi

echo
echo "Paddle environment: $PADDLE_ENVIRONMENT"
echo "API URL:            $PADDLE_API_URL"
echo
echo "Prices to update:"
echo "  Personal monthly      -> £4.99"
echo "  Personal annual       -> £39.99"
echo "  Professional monthly  -> £8.99"
echo "  Professional annual   -> £79.99"
echo

if [[ "$PADDLE_ENVIRONMENT" == "production" ]]; then
    echo "WARNING: THIS IS THE LIVE PADDLE ACCOUNT."
    printf "Type LIVE to continue: "
    read -r confirmation

    if [[ "$confirmation" != "LIVE" ]]; then
        echo "Cancelled."
        exit 1
    fi
else
    printf "Type YES to update the sandbox prices: "
    read -r confirmation

    if [[ "$confirmation" != "YES" ]]; then
        echo "Cancelled."
        exit 1
    fi
fi

update_price() {
    local id="$1"
    local amount="$2"
    local description="$3"

    if [[ -z "$id" ]]; then
        echo "ERROR: Missing price ID for $description"
        exit 1
    fi

    echo
    echo "Updating $description ($id)..."

    response="$(
        curl --silent --show-error --fail-with-body \
            --request PATCH \
            "${PADDLE_API_URL}/prices/${id}" \
            --header "Authorization: Bearer ${PADDLE_API_KEY}" \
            --header "Content-Type: application/json" \
            --data "{
                \"unit_price\": {
                    \"amount\": \"${amount}\",
                    \"currency_code\": \"GBP\"
                }
            }"
    )"

    if command -v jq >/dev/null 2>&1; then
        echo "$response" | jq '{
            id: .data.id,
            description: .data.description,
            price: .data.unit_price,
            billing_cycle: .data.billing_cycle,
            status: .data.status
        }'
    else
        echo "$response"
    fi
}

# Paddle amounts are in pennies:
# £4.99  = 499
# £39.99 = 3999
# £8.99  = 899
# £79.99 = 7999

update_price "$PERSONAL_MONTHLY" 499  "Personal Monthly"
update_price "$PERSONAL_ANNUAL" 3999 "Personal Annual"
update_price "$PRO_MONTHLY"      899  "Professional Monthly"
update_price "$PRO_ANNUAL"      7999 "Professional Annual"

echo
echo "----------------------------------------"
echo "All Paddle prices updated successfully."
echo "----------------------------------------"