#!/usr/bin/env bash
# Writes collected ENV_VALUE_* variables to a .env file.
# Source this file; do not execute it directly.
# Requires colors.sh to be sourced first.

# write_env_file <output_file>
# Writes all populated ENV_VALUE_<NAME> entries to <output_file>.
write_env_file() {
    local output_file="$1"

    {
        printf "# Generated by generate-env on %s\n" "$(date -u '+%Y-%m-%dT%H:%M:%SZ')"
        printf "\n"

        local var_name
        for var_name in "${ENV_VARS[@]}"; do
            local desc_var="ENV_DESC_${var_name}"
            local desc="${!desc_var}"
            local value_var="ENV_VALUE_${var_name}"
            local value="${!value_var}"
            [[ -n "$desc" ]] && printf "# %s\n" "$desc"
            printf "%s=%s\n" "$var_name" "$value"
            printf "\n"
        done
    } > "$output_file"

    printf "\n${GREEN}✓ Written to %s${NC}\n" "$output_file" >&2
}