#pragma once

#include <cstdint>
#include <string>
#include <vector>

namespace radiantwave::api {

// Base URL of the RadiantWave content API.
constexpr const char* API_BASE_URL = "https://portal.radiantwavetech.com/api/v2";

// Paths relative to API_BASE_URL.
constexpr const char* PATH_PROCLAMATIONS = "/proclamations";
constexpr const char* PATH_CATEGORIES = "/categories";
constexpr const char* PATH_GROUPS = "/groups";
constexpr const char* PATH_FREQUENCIES = "/frequencies";
constexpr const char* PATH_LICENSE = "/license";
constexpr const char* PATH_CREATE_ACCOUNT = "/automations/create/account";
constexpr const char* PATH_COLOR_PALETTES = "/color-palettes";

// Result of a single HTTP request.
struct HttpResponse {
    long status = 0;         // HTTP status code; 0 if the request never completed
    std::string body;        // raw response body (any status)
    bool transportOk = false; // true when the request completed without a transport error
};

// Performs a GET/POST against `path` (relative to API_BASE_URL).
HttpResponse httpGet(const std::string& path);
HttpResponse httpPost(const std::string& path, const std::string& jsonBody);

// ─── GET /frequencies ──────────────────────────────────────────────────

struct Frequency {
    int id = 0;
    std::string name;
    int value = 0; // frequency in Hz
};

// Parse the JSON payload returned by the frequencies endpoint.
bool parseFrequenciesJson(const std::string& body, std::vector<Frequency>& out);

// Fetch the solfeggio frequencies. Returns true only on HTTP 2xx + successful parse.
bool fetchFrequencies(std::vector<Frequency>& out);

// ─── GET /color-palettes ───────────────────────────────────────────────

// A single color swatch (RGBA). Mirrors db::PaletteColor without coupling the
// API layer to the database.
struct PaletteColor {
    uint8_t r = 0;
    uint8_t g = 0;
    uint8_t b = 0;
    uint8_t a = 255;
};

// The ordered 7-color palette for one solfeggio frequency.
struct ColorPalette {
    int solfeggio_frequency_id = 0;
    std::vector<PaletteColor> colors;
};

// Parse the JSON payload returned by the color-palettes endpoint. Each entry
// is expected to look like {"solfeggioFrequencyId": 1, "colors": ["#RRGGBB", ...]}.
// Returns false on malformed input.
bool parseColorPalettesJson(const std::string& body, std::vector<ColorPalette>& out);

// Fetch the color palettes for every solfeggio frequency. Returns true only on
// HTTP 2xx + successful parse.
//
// NOTE: the portal does not expose this route yet. This is readiness code — it
// is deliberately not called anywhere in the app until the route ships, so
// palettes can be updated from the portal rather than code releases.
bool fetchColorPalettes(std::vector<ColorPalette>& out);

// ─── POST /license ─────────────────────────────────────────────────────

struct LicenseInfo {
    std::string key;
    std::string email_address;
};

// Parse the 200 JSON payload returned by the license endpoint.
bool parseLicenseJson(const std::string& body, LicenseInfo& out);

struct LicenseResult {
    int status = 0;
    LicenseInfo info;
    std::string error_message; // extracted from the error body on failure

    bool ok() const { return status >= 200 && status < 300; }
};

// Validate a license key / email pair against the portal. Never throws; failures
// (network, HTTP error status) are reported through the returned LicenseResult.
// A 2xx response means the license is valid and the subscription is active.
LicenseResult validateLicense(const std::string& key, const std::string& email);

// ─── POST /automations/create/account ──────────────────────────────────

struct AccountBody {
    bool success = false;
    std::string message;
    std::string user_id;
};

// Parse the 200 JSON payload returned by the create-account endpoint.
bool parseCreateAccountJson(const std::string& body, AccountBody& out);

struct AccountResult {
    int status = 0;
    AccountBody body;
    std::string error_message;

    bool ok() const { return status >= 200 && status < 300; }
};

// Creates (or reuses) a user account and issues a license key. The key is emailed
// to the user and is NOT part of the response. `name` may be empty.
AccountResult createAccount(const std::string& email, const std::string& name = "");

} // namespace radiantwave::api