#include "tarot.h"
#include "i18n.h"
#include <stddef.h>
#include <string.h>

/* Card meanings are condensed from A. E. Waite, The Pictorial Key to the
 * Tarot (1911), Part III §3 "The Greater Arcana and their Divinatory
 * Meanings" (public domain). Waite gives several alternative readings
 * for some cards; these keep his own wording, trimmed to the core
 * clauses. */
typedef struct {
  const char *name;
  const char *image_file;
  const char *upright;
  const char *reversed;
} TarotCardInfo;

static const TarotCardInfo k_cards[TAROT_DECK_SIZE] = {
  [CARD_FOOL] = {
    "The Fool", "RWS_Tarot_00_Fool.jpeg",
    "Folly, mania, extravagance, intoxication, delirium, frenzy.",
    "Negligence, absence, carelessness, apathy, nullity, vanity."
  },
  [CARD_MAGICIAN] = {
    "The Magician", "RWS_Tarot_01_Magician.jpeg",
    "Skill, diplomacy, address, subtlety; self-confidence, will.",
    "Physician, Magus, mental disease, disgrace, disquiet."
  },
  [CARD_HIGH_PRIESTESS] = {
    "The High Priestess", "RWS_Tarot_02_High_Priestess.jpeg",
    "Secrets, mystery, the future as yet unrevealed; silence, tenacity, wisdom, science.",
    "Passion, moral or physical ardour, conceit, surface knowledge."
  },
  [CARD_EMPRESS] = {
    "The Empress", "RWS_Tarot_03_Empress.jpeg",
    "Fruitfulness, action, initiative, length of days; also difficulty, doubt, ignorance.",
    "Light, truth, the unravelling of involved matters, public rejoicings; vacillation."
  },
  [CARD_EMPEROR] = {
    "The Emperor", "RWS_Tarot_04_Emperor.jpeg",
    "Stability, power, protection, realization; aid, reason, conviction, authority and will.",
    "Benevolence, compassion, credit; also confusion to enemies, obstruction, immaturity."
  },
  [CARD_HIEROPHANT] = {
    "The Hierophant", "RWS_Tarot_05_Hierophant.jpeg",
    "Marriage, alliance, captivity, servitude; by another account, mercy, goodness, inspiration.",
    "Society, good understanding, concord, over-kindness, weakness."
  },
  [CARD_LOVERS] = {
    "The Lovers", "RWS_Tarot_06_Lovers.jpeg",
    "Attraction, love, beauty, trials overcome.",
    "Failure, foolish designs; marriage frustrated, contrarieties of all kinds."
  },
  [CARD_CHARIOT] = {
    "The Chariot", "RWS_Tarot_07_Chariot.jpeg",
    "Succour, providence; also war, triumph, presumption, vengeance, trouble.",
    "Riot, quarrel, dispute, litigation, defeat."
  },
  [CARD_STRENGTH] = {
    "Strength", "RWS_Tarot_08_Strength.jpeg",
    "Power, energy, action, courage, magnanimity; complete success and honours.",
    "Despotism, abuse of power, weakness, discord, sometimes even disgrace."
  },
  [CARD_HERMIT] = {
    "The Hermit", "RWS_Tarot_09_Hermit.jpeg",
    "Prudence, circumspection; also, and especially, treason, dissimulation, roguery, corruption.",
    "Concealment, disguise, policy, fear, unreasoned caution."
  },
  [CARD_WHEEL_OF_FORTUNE] = {
    "Wheel of Fortune", "RWS_Tarot_10_Wheel_of_Fortune.jpeg",
    "Destiny, fortune, success, elevation, luck, felicity.",
    "Increase, abundance, superfluity."
  },
  [CARD_JUSTICE] = {
    "Justice", "RWS_Tarot_11_Justice.jpeg",
    "Equity, rightness, probity, executive; triumph of the deserving side in law.",
    "Law in all its departments, legal complications, bigotry, bias, excessive severity."
  },
  [CARD_HANGED_MAN] = {
    "The Hanged Man", "RWS_Tarot_12_Hanged_Man.jpeg",
    "Wisdom, circumspection, discernment, trials, sacrifice, intuition, divination, prophecy.",
    "Selfishness, the crowd, body politic."
  },
  [CARD_DEATH] = {
    "Death", "RWS_Tarot_13_Death.jpeg",
    "End, mortality, destruction, corruption; loss of a benefactor, or many contrarieties.",
    "Inertia, sleep, lethargy, petrifaction, somnambulism; hope destroyed."
  },
  [CARD_TEMPERANCE] = {
    "Temperance", "RWS_Tarot_14_Temperance.jpeg",
    "Economy, moderation, frugality, management, accommodation.",
    "Things connected with churches, religions, sects, the priesthood; disunion, competing interests."
  },
  [CARD_DEVIL] = {
    "The Devil", "RWS_Tarot_15_Devil.jpeg",
    "Ravage, violence, vehemence, extraordinary efforts, force, fatality.",
    "Evil fatality, weakness, pettiness, blindness."
  },
  [CARD_TOWER] = {
    "The Tower", "RWS_Tarot_16_Tower.jpeg",
    "Misery, distress, indigence, adversity, calamity, disgrace, deception, ruin; unforeseen catastrophe.",
    "The same in a lesser degree; also oppression, imprisonment, tyranny."
  },
  [CARD_STAR] = {
    "The Star", "RWS_Tarot_17_Star.jpeg",
    "Loss, theft, privation, abandonment; another reading says hope and bright prospects.",
    "Arrogance, haughtiness, impotence."
  },
  [CARD_MOON] = {
    "The Moon", "RWS_Tarot_18_Moon.jpeg",
    "Hidden enemies, danger, calumny, darkness, terror, deception, occult forces, error.",
    "Instability, inconstancy, silence, lesser degrees of deception and error."
  },
  [CARD_SUN] = {
    "The Sun", "RWS_Tarot_19_Sun.jpeg",
    "Material happiness, fortunate marriage, contentment.",
    "The same in a lesser sense."
  },
  [CARD_JUDGEMENT] = {
    "Judgement", "RWS_Tarot_20_Judgement.jpeg",
    "Change of position, renewal, outcome; another account specifies total loss through lawsuit.",
    "Weakness, pusillanimity, simplicity; also deliberation, decision, sentence."
  },
  [CARD_WORLD] = {
    "The World", "RWS_Tarot_21_World.jpeg",
    "Assured success, recompense, voyage, route, emigration, flight, change of place.",
    "Inertia, fixity, stagnation, permanence."
  },
};

/* Position names and one-line descriptions follow Waite's own account
 * of "An Ancient Celtic Method of Divination" (Part III §7), in his
 * original drawing order. Waite addresses the querent as "him"
 * throughout; that wording is kept verbatim as the GENDER_MALE variant
 * below, and GENDER_FEMALE/GENDER_UNSPECIFIED are original paraphrases
 * written for this project (not Waite's own text) so the reading can
 * address the person it's actually for. Each array is indexed by
 * Gender (tarot.h): [GENDER_UNSPECIFIED], [GENDER_MALE], [GENDER_FEMALE]. */
typedef struct {
  const char *name[3];
  const char *description[3];
} PositionInfo;

static const PositionInfo k_positions[TAROT_SPREAD_SIZE] = {
  [POSITION_PRESENT] = {
    { "The Present", "The Present", "The Present" },
    {
      "This covers them: the general influence affecting the matter.",
      "This covers him: the general influence affecting the matter.",
      "This covers her: the general influence affecting the matter.",
    }
  },
  [POSITION_CHALLENGE] = {
    { "The Challenge", "The Challenge", "The Challenge" },
    {
      "This crosses them: the nature of the obstacle in the matter.",
      "This crosses him: the nature of the obstacle in the matter.",
      "This crosses her: the nature of the obstacle in the matter.",
    }
  },
  [POSITION_CROWN] = {
    { "The Crown", "The Crown", "The Crown" },
    {
      "This crowns them: the aim or ideal, the best that can be achieved.",
      "This crowns him: the aim or ideal, the best that can be achieved.",
      "This crowns her: the aim or ideal, the best that can be achieved.",
    }
  },
  [POSITION_FOUNDATION] = {
    { "The Foundation", "The Foundation", "The Foundation" },
    {
      "This is beneath them: the basis of the matter, already actual.",
      "This is beneath him: the basis of the matter, already actual.",
      "This is beneath her: the basis of the matter, already actual.",
    }
  },
  [POSITION_RECENT_PAST] = {
    { "The Recent Past", "The Recent Past", "The Recent Past" },
    {
      "This is behind them: the influence that is just passing away.",
      "This is behind him: the influence that is just passing away.",
      "This is behind her: the influence that is just passing away.",
    }
  },
  [POSITION_NEAR_FUTURE] = {
    { "The Near Future", "The Near Future", "The Near Future" },
    {
      "This is before them: the influence now coming into action.",
      "This is before him: the influence now coming into action.",
      "This is before her: the influence now coming into action.",
    }
  },
  [POSITION_ATTITUDE] = {
    { "Themself", "Himself", "Herself" },
    {
      "Their position or attitude in the circumstances.",
      "His position or attitude in the circumstances.",
      "Her position or attitude in the circumstances.",
    }
  },
  [POSITION_ENVIRONMENT] = {
    { "Their House", "His House", "Her House" },
    {
      "Their environment and the tendencies at work therein.",
      "His environment and the tendencies at work therein.",
      "Her environment and the tendencies at work therein.",
    }
  },
  [POSITION_HOPES_AND_FEARS] = {
    { "Hopes and Fears", "Hopes and Fears", "Hopes and Fears" },
    {
      "Their hopes or fears in the matter.",
      "His hopes or fears in the matter.",
      "Her hopes or fears in the matter.",
    }
  },
  [POSITION_OUTCOME] = {
    { "The Outcome", "The Outcome", "The Outcome" },
    {
      "What will come: the final result of the matter.",
      "What will come: the final result of the matter.",
      "What will come: the final result of the matter.",
    }
  },
};

/* Slugs used to build i18n.c lookup keys ("card.<slug>.name", etc.) -
 * translation files key off these, not the enum names, so renaming a C
 * enumerator never silently breaks a .lang file. */
static const char *const k_card_slug[TAROT_DECK_SIZE] = {
  [CARD_FOOL] = "fool",
  [CARD_MAGICIAN] = "magician",
  [CARD_HIGH_PRIESTESS] = "high_priestess",
  [CARD_EMPRESS] = "empress",
  [CARD_EMPEROR] = "emperor",
  [CARD_HIEROPHANT] = "hierophant",
  [CARD_LOVERS] = "lovers",
  [CARD_CHARIOT] = "chariot",
  [CARD_STRENGTH] = "strength",
  [CARD_HERMIT] = "hermit",
  [CARD_WHEEL_OF_FORTUNE] = "wheel_of_fortune",
  [CARD_JUSTICE] = "justice",
  [CARD_HANGED_MAN] = "hanged_man",
  [CARD_DEATH] = "death",
  [CARD_TEMPERANCE] = "temperance",
  [CARD_DEVIL] = "devil",
  [CARD_TOWER] = "tower",
  [CARD_STAR] = "star",
  [CARD_MOON] = "moon",
  [CARD_SUN] = "sun",
  [CARD_JUDGEMENT] = "judgement",
  [CARD_WORLD] = "world",
};

static const char *const k_position_slug[TAROT_SPREAD_SIZE] = {
  [POSITION_PRESENT] = "present",
  [POSITION_CHALLENGE] = "challenge",
  [POSITION_CROWN] = "crown",
  [POSITION_FOUNDATION] = "foundation",
  [POSITION_RECENT_PAST] = "recent_past",
  [POSITION_NEAR_FUTURE] = "near_future",
  [POSITION_ATTITUDE] = "attitude",
  [POSITION_ENVIRONMENT] = "environment",
  [POSITION_HOPES_AND_FEARS] = "hopes_and_fears",
  [POSITION_OUTCOME] = "outcome",
};

static const char *card_field(const char *slug, const char *field, const char *fallback) {
  char key[64];
  strcpy(key, "card.");
  strcat(key, slug);
  strcat(key, ".");
  strcat(key, field);
  return i18n_get(key, fallback);
}

/* Suffix appended to the i18n key for the male/female variants - the
 * unspecified/neutral variant uses the plain, unsuffixed key so it
 * matches the field name callers already know (e.g. "position.
 * attitude.name"), same convention as card_field()'s upright/reversed
 * field names above. */
static const char *const k_gender_suffix[3] = {
  [GENDER_UNSPECIFIED] = "",
  [GENDER_MALE] = ".male",
  [GENDER_FEMALE] = ".female",
};

static const char *const k_gender_slug[3] = {
  [GENDER_UNSPECIFIED] = "unspecified",
  [GENDER_MALE] = "male",
  [GENDER_FEMALE] = "female",
};

static const char *position_field(const char *slug, const char *field, Gender gender,
                                   const char *fallback) {
  char neutral_key[80];
  strcpy(neutral_key, "position.");
  strcat(neutral_key, slug);
  strcat(neutral_key, ".");
  strcat(neutral_key, field);
  if (gender == GENDER_UNSPECIFIED) return i18n_get(neutral_key, fallback);

  /* Not every position's text actually varies by gender (e.g. "The
   * Outcome" has no pronoun) - the .lang files only define a ".male"/
   * ".female" key where the wording differs. So look up the neutral key
   * first and use *that* (translated, if a catalog is loaded) as the
   * fallback for the gendered key, rather than jumping straight past a
   * loaded translation to the hardcoded English `fallback` whenever the
   * gendered key happens to be absent. */
  const char *neutral_text = i18n_get(neutral_key, fallback);
  char key[88];
  strcpy(key, neutral_key);
  strcat(key, k_gender_suffix[gender]);
  return i18n_get(key, neutral_text);
}

const char *tarot_card_name(TarotCard card) {
  return card_field(k_card_slug[card], "name", k_cards[card].name);
}

const char *tarot_card_image_file(TarotCard card) {
  /* Not translated - it's a filename, not display text. */
  return k_cards[card].image_file;
}

const char *tarot_card_meaning(TarotCard card, bool reversed) {
  return card_field(k_card_slug[card], reversed ? "reversed" : "upright",
                     reversed ? k_cards[card].reversed : k_cards[card].upright);
}

const char *tarot_position_name(CelticCrossPosition position, Gender gender) {
  return position_field(k_position_slug[position], "name", gender, k_positions[position].name[gender]);
}

const char *tarot_position_description(CelticCrossPosition position, Gender gender) {
  return position_field(k_position_slug[position], "desc", gender,
                         k_positions[position].description[gender]);
}

const char *tarot_card_slug(TarotCard card) { return k_card_slug[card]; }
const char *tarot_position_slug(CelticCrossPosition position) { return k_position_slug[position]; }
const char *tarot_gender_slug(Gender gender) { return k_gender_slug[gender]; }