import { Entity, Mortal, POV, Creature } from './entity'
import { Damage, DamageType, Stats, Actionable, Action, Vigor } from './combat'
import { LogLines, LogEntry, CompositeLog, LogLine } from './interface'
import { Noun, Pronoun, POVPair, POVPairArgs, ImproperNoun, POVSolo } from './language'
import { DigestAction, DevourAction, ReleaseAction, StruggleAction } from './combat/actions'

export enum VoreType {
  Oral = "Oral Vore",
  Anal = "Anal Vore",
  Cock = "Cock Vore",
  Unbirth = "Unbirthing"
}

export abstract class Vore implements Mortal {
  abstract name: Noun;
  abstract pronouns: Pronoun;
  abstract perspective: POV;
  abstract vigors: {[key in Vigor]: number};
  abstract maxVigors: {[key in Vigor]: number};
  abstract disabled: boolean;
  abstract resistances: Map<DamageType, number>;
  abstract takeDamage (damage: Damage): LogEntry;
  abstract stats: Stats;
  abstract status: string;
  abstract preyPrefs: Set<VoreType>;
  abstract bulk: number;
  abstract containedIn: Container | null;
  abstract predPrefs: Set<VoreType>;
  abstract containers: Array<Container>;
  destroy (): LogEntry {
    const lines = new POVSolo<Vore>([
      [[POV.First], (target: Vore) => new LogLine('You die!')],
      [[POV.Third], (target: Vore) => new LogLine(`${target.name.capital} dies!`)]
    ])
    this.containers.map(container => {
      container.contents.map(prey => {
        prey.containedIn = this.containedIn
        if (this.containedIn !== null) {
          this.containedIn.contents.push(prey)
        }
      })
    })

    return lines.run(this)
  }
}

export interface Container extends Actionable {
  name: Noun;
  owner: Vore;
  voreTypes: Set<VoreType>;
  contents: Array<Vore>;
  digested: Array<Vore>;
  capacity: number;
  fullness: number;
  canTake: (prey: Vore) => boolean;
  consume: (prey: Vore) => LogEntry;
  release: (prey: Vore) => LogEntry;
  struggle: (prey: Vore) => LogEntry;
  tick: (dt: number) => LogEntry;
  describe: () => LogEntry;
  digest: (prey: Vore) => LogEntry;
  absorb: (prey: Vore) => LogEntry;
  dispose: (preys: Vore[]) => LogEntry;
  actions: Array<Action>;
}

abstract class NormalContainer implements Container {
    contents: Array<Vore>
    digested: Array<Vore>

    abstract consumeLines: POVPair<Vore, Vore>
    abstract releaseLines: POVPair<Vore, Vore>
    abstract struggleLines: POVPair<Vore, Vore>
    abstract tickLines: POVPairArgs<Vore, Vore, { damage: Damage }>
    abstract digestLines: POVPair<Vore, Vore>
    abstract absorbLines: POVPair<Vore, Vore>
    abstract disposeLines: POVPair<Vore, Vore>

    get fullness (): number {
      return Array.from(this.contents.values()).reduce((total: number, prey: Vore) => total + prey.bulk, 0)
    }

    canTake (prey: Vore): boolean {
      const fits = this.capacity - this.fullness >= prey.bulk

      const permitted = Array.from(this.voreTypes).every(voreType => {
        return prey.preyPrefs.has(voreType)
      })

      return fits && permitted
    }

    consume (prey: Vore): LogEntry {
      this.contents.push(prey)
      prey.containedIn = this
      return this.consumeLines.run(this.owner, prey)
    }

    release (prey: Vore): LogEntry {
      prey.containedIn = this.owner.containedIn
      this.contents = this.contents.filter(victim => victim !== prey)

      if (this.owner.containedIn !== null) {
        this.owner.containedIn.contents.push(prey)
      }
      return this.releaseLines.run(this.owner, prey)
    }

    struggle (prey: Vore): LogEntry {
      return this.struggleLines.run(prey, this.owner)
    }

    tick (dt: number): LogEntry {
      const digested: Array<Vore> = []

      const scaled = this.damage.scale(dt / 60)

      const damageResults: Array<LogEntry> = []
      this.contents.forEach(prey => {
        damageResults.push(prey.takeDamage(scaled))

        if (prey.vigors[Vigor.Health] <= 0) {
          digested.push(prey)
        }
      })

      const tickedEntries = new LogLines(...this.contents.map(prey => this.tickLines.run(this.owner, prey, { damage: scaled })))
      const digestedEntries = new LogLines(...digested.map(prey => this.digest(prey)))

      this.contents = this.contents.filter(prey => {
        return prey.vigors[Vigor.Health] > 0
      })

      return new LogLines(tickedEntries, new LogLines(...damageResults), digestedEntries)
    }

    describe (): LogEntry {
      const lines: Array<string> = []

      this.contents.forEach(prey => {
        lines.push(prey.toString())
      })

      return new LogLine(...lines)
    }

    digest (prey: Vore): LogEntry {
      return this.digestLines.run(this.owner, prey)
    }

    absorb (prey: Vore): LogEntry {
      return this.absorbLines.run(this.owner, prey)
    }

    dispose (preys: Vore[]): LogEntry {
      return new CompositeLog(...preys.map(prey => this.disposeLines.run(this.owner, prey)))
    }

    actions: Array<Action>

    constructor (public name: Noun, public owner: Vore, public voreTypes: Set<VoreType>, public capacity: number, private damage: Damage) {
      this.contents = []
      this.digested = []

      this.actions = []

      this.name = name

      this.actions.push(new DevourAction(this))
      this.actions.push(new DigestAction(this))
      this.actions.push(new ReleaseAction(this))
      this.actions.push(new StruggleAction(this))
    }
}

abstract class InnerContainer extends NormalContainer {
  release (prey: Vore): LogEntry {
    prey.containedIn = this.escape
    this.contents = this.contents.filter(victim => victim !== prey)
    return this.releaseLines.run(this.owner, prey)
  }

  constructor (name: Noun, owner: Vore, voreTypes: Set<VoreType>, capacity: number, damage: Damage, private escape: Container) {
    super(name, owner, voreTypes, capacity, damage)

    this.actions = []

    this.actions.push(new DigestAction(this))
    this.actions.push(new StruggleAction(this))
  }
}

export class Stomach extends NormalContainer {
  constructor (owner: Vore, capacity: number, damage: Damage) {
    super(new ImproperNoun('stomach', 'stomachs').all, owner, new Set([VoreType.Oral]), capacity, damage)
  }

  consumeLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You devour ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} munches you`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} munches ${target.name}`)]
  ])

  releaseLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You hork up ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} horks you up`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} horks up ${target.name}`)]
  ])

  struggleLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You claw your way out of ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} forces ${user.pronouns.possessive} way up your throat!`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} escapes from the gut of ${target.name}`)]
  ])

  tickLines = new POVPairArgs<Vore, Vore, { damage: Damage }>([
    [[POV.First, POV.Third], (user, target, args) => new LogLine(`Your stomach gurgles ${target.name} for `, args.damage.renderShort())],
    [[POV.Third, POV.First], (user, target, args) => new LogLine(`${user.name.capital}'s stomach churns you for `, args.damage.renderShort())],
    [[POV.Third, POV.Third], (user, target, args) => new LogLine(`${user.name.capital} churns ${target.name} for `, args.damage.renderShort())]
  ])

  digestLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your stomach overwhelms ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s stomach finishes you off`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${target.name.capital}'s squirms fade, overwhelmed by the stomach of ${user.name}`)]
  ])

  absorbLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your guts completely absorb ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s guts soak you up like water in a sponge`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} finishes absorbing the remains of ${target.name}`)]
  ])

  disposeLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your guts completely absorb ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s guts soak you up like water in a sponge`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} finishes absorbing the remains of ${target.name}`)]
  ])
}

export class InnerStomach extends InnerContainer {
  constructor (owner: Vore, capacity: number, damage: Damage, escape: Container) {
    super(new ImproperNoun('inner stomach', 'inner stomachs').all, owner, new Set([VoreType.Oral]), capacity, damage, escape)
  }

  consumeLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You devour ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} munches you`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} munches ${target.name.capital}`)]
  ])

  releaseLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You hork up ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} horks you up`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} horks up ${target.name.capital}`)]
  ])

  struggleLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You claw your way out of ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} forces ${user.pronouns.possessive} way up your throat!`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} escapes from the gut of ${target.name}`)]
  ])

  tickLines = new POVPairArgs<Vore, Vore, { damage: Damage }>([
    [[POV.First, POV.Third], (user, target, args) => new LogLine(`Your stomach gurgles ${target.name} for `, args.damage.renderShort())],
    [[POV.Third, POV.First], (user, target, args) => new LogLine(`${user.name.capital}'s stomach churns you for `, args.damage.renderShort())],
    [[POV.Third, POV.Third], (user, target, args) => new LogLine(`${user.name.capital} churns ${target.name} for `, args.damage.renderShort())]
  ])

  digestLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your stomach overwhelms ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s stomach finishes you off`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${target.name.capital}'s squirms fade, overwhelmed by the stomach of ${user.name}`)]
  ])

  absorbLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your guts completely absorb ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s guts soak you up like water in a sponge`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} finishes absorbing the remains of ${target.name}`)]
  ])

  disposeLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your guts completely absorb ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s guts soak you up like water in a sponge`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} finishes absorbing the remains of ${target.name}`)]
  ])
}

export class Bowels extends NormalContainer {
  constructor (owner: Vore, capacity: number, damage: Damage) {
    super(new ImproperNoun('bowel', 'bowels').plural, owner, new Set([VoreType.Anal]), capacity, damage)
  }

  consumeLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You force ${target.name} into your bowels`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} works you into ${user.pronouns.possessive} ass`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} anal-vores ${target.name.capital}`)]
  ])

  releaseLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You let out ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} lets you out `)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} lets out ${target.name.capital}`)]
  ])

  struggleLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`You claw your way out of ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital} forces ${user.pronouns.possessive} way out your rump!`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} escapes from the bowels of ${target.name}`)]
  ])

  tickLines = new POVPairArgs<Vore, Vore, { damage: Damage }>([
    [[POV.First, POV.Third], (user, target, args) => new LogLine(`Your bowels gurgle ${target.name} for `, args.damage.renderShort())],
    [[POV.Third, POV.First], (user, target, args) => new LogLine(`${user.name.capital}'s bowels churn you for `, args.damage.renderShort())],
    [[POV.Third, POV.Third], (user, target, args) => new LogLine(`${target.name.capital} churns ${user.name} for `, args.damage.renderShort())]
  ])

  digestLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your bowels overwhelm ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s bowels finish you off`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${target.name.capital}'s squirms fade, overwhelmed by the bowels of ${user.name}`)]
  ])

  absorbLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your guts completely absorb ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s guts soak you up like water in a sponge`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} finishes absorbing the remains of ${target.name}`)]
  ])

  disposeLines = new POVPair([
    [[POV.First, POV.Third], (user, target) => new LogLine(`Your guts completely absorb ${target.name}`)],
    [[POV.Third, POV.First], (user, target) => new LogLine(`${user.name.capital}'s guts soak you up like water in a sponge`)],
    [[POV.Third, POV.Third], (user, target) => new LogLine(`${user.name.capital} finishes absorbing the remains of ${target.name}`)]
  ])
}