import { SYSTEM } from "../config/system.mjs"

export default class CelestopolNPC extends foundry.abstract.TypeDataModel {
  static defineSchema() {
    const fields = foundry.data.fields
    const reqInt = { required: true, nullable: false, integer: true }
    const schema = {}

    schema.concept = new fields.StringField({ required: true, nullable: false, initial: "" })
    schema.initiative = new fields.NumberField({ ...reqInt, initial: 0, min: 0 })

    schema.anomaly = new fields.SchemaField({
      type:  new fields.StringField({ required: true, nullable: false, initial: "none",
               choices: Object.keys(SYSTEM.ANOMALY_TYPES) }),
      value: new fields.NumberField({ ...reqInt, initial: 0, min: 0, max: 8 }),
    })

    const skillField = (label) => new fields.SchemaField({
      label: new fields.StringField({ required: true, initial: label }),
      value: new fields.NumberField({ ...reqInt, initial: 0, min: 0, max: 8 }),
    })

    const statField = (statId) => {
      const skills = SYSTEM.SKILLS[statId]
      const skillSchema = {}
      for (const [key, skill] of Object.entries(skills)) {
        skillSchema[key] = skillField(skill.label)
      }
      return new fields.SchemaField({
        label:  new fields.StringField({ required: true, initial: SYSTEM.STATS[statId].label }),
        res:    new fields.NumberField({ ...reqInt, initial: 0, min: 0, max: 8 }),
        actuel: new fields.NumberField({ ...reqInt, initial: 0, min: 0 }), // res + wound malus
        ...skillSchema,
      })
    }

    schema.stats = new fields.SchemaField({
      ame:    statField("ame"),
      corps:  statField("corps"),
      coeur:  statField("coeur"),
      esprit: statField("esprit"),
    })

    const woundField = (idx) => new fields.SchemaField({
      checked: new fields.BooleanField({ required: true, initial: false }),
      malus:   new fields.NumberField({ ...reqInt, initial: SYSTEM.WOUND_LEVELS[idx]?.malus ?? 0 }),
    })
    schema.blessures = new fields.SchemaField({
      lvl: new fields.NumberField({ ...reqInt, initial: 0, min: 0, max: 8 }),
      b1:  woundField(1), b2: woundField(2), b3: woundField(3), b4: woundField(4),
      b5:  woundField(5), b6: woundField(6), b7: woundField(7), b8: woundField(8),
    })

    schema.prefs = new fields.SchemaField({
      moonPhase:  new fields.StringField({ required: true, nullable: false, initial: "none" }),
      difficulty: new fields.StringField({ required: true, nullable: false, initial: "normal" }),
    })

    schema.description = new fields.HTMLField({ required: true, textSearch: true })
    schema.notes       = new fields.HTMLField({ required: true, textSearch: true })

    return schema
  }

  static LOCALIZATION_PREFIXES = ["CELESTOPOL.NPC"]

  prepareDerivedData() {
    super.prepareDerivedData()
    const malus = this.getWoundMalus()
    this.initiative = Math.max(0, this.stats.corps.res + malus)
    for (const stat of Object.values(this.stats)) {
      stat.actuel = Math.max(0, stat.res + malus)
    }
  }

  getWoundMalus() {
    const lvl = Math.max(0, Math.min(8, this.blessures.lvl))
    return SYSTEM.WOUND_LEVELS[lvl]?.malus ?? 0
  }

  async roll(statId, skillId) {
    const { CelestopolRoll } = await import("../documents/roll.mjs")
    const skill = this.stats[statId][skillId]
    if (!skill) return null

    return CelestopolRoll.prompt({
      actorId:    this.parent.id,
      actorName:  this.parent.name,
      actorImage: this.parent.img,
      statId,
      skillId,
      skillLabel: skill.label,
      skillValue: skill.value,
      woundMalus: this.getWoundMalus(),
      moonPhase:  this.prefs.moonPhase,
      difficulty: this.prefs.difficulty,
    })
  }
}