require('globals')

const EMERGENCY_MODE_TIMEOUT = 100

function getHarvestingSpots (source) {
  let spots = []
  let terrain = source.room.getTerrain()
  for (let x = source.pos.x - 1; x <= source.pos.x + 1; x++) {
    for (let y = source.pos.y - 1; y <= source.pos.y + 1; y++) {
      if (terrain.get(x, y) !== TERRAIN_MASK_WALL) {
        spots.push([x, y])
      }
    }
  }
  source.room.memory.harvestingSpots[source.id] = spots
  return spots
}

function getBodyCost(body) {
  let cost = 0
  for (let part of body) {
    cost = cost + BODYPART_COST[part]
  }
  return cost
}

module.exports = {
  tickInit () {
    for (let room of Object.values(Game.rooms)) {
      if (!room.memory.harvestingSpots) {
        room.memory.harvestingSpots = {}
      }
      if (!room.memory.spawnIdle) {
        room.memory.spawnIdle = 0
      }
      if (!room.memory.energyIncreasedAt) {
        room.memory.energyIncreasedAt = Game.time
      }
      if (!room.memory.lastEnergy) {
        room.memory.lastEnergy = 0
      }
      if (!room.memory.energyStructuresPriority || Game.time % 100 === 0) {
        room.memory.energyStructuresPriority = _.sortBy(
            room.find(
                FIND_MY_STRUCTURES,
                {filter: s => s.structureType === STRUCTURE_EXTENSION || s.structureType === STRUCTURE_SPAWN}
            ).map(el => {return {structure: el, range: el.pos.getRangeTo(room.storage)}}),
            'range'
        ).map(el => el.structure.id)
      }

      if (!room.memory.sourcesData) {
        room.memory.sourcesData = {}
      }
      for (let source of room.find(FIND_SOURCES)) {
        if (!room.memory.harvestingSpots[source.id] || Game.time % 10 === 0) {
          room.memory.harvestingSpots[source.id] = getHarvestingSpots(source)
        }
        if (!room.memory.sourcesData[source.id] || Game.time % 10 === 0) {
          room.memory.sourcesData[source.id] = {spawnDistance: 0, energyCapacity: source.energyCapacity}
          let spawn = source.pos.findClosestByPath(FIND_MY_SPAWNS)
          if (spawn) {
            room.memory.sourcesData[source.id].spawnDistance = source.pos.findPathTo(spawn.pos, {ignoreCreeps: true}).length
          }
        }
      }
    }
  },
  tick (spawn) {
    let minRoleCount
    if (spawn.spawning) {
      spawn.room.memory.spawnIdle = 0
      let spawningCreep = Game.creeps[spawn.spawning.name];
      let room = spawningCreep.memory.room || ''
      spawn.room.visual.text(
          '🛠️' + spawningCreep.memory.role + ' ' + room,
          spawn.pos.x + 1,
          spawn.pos.y,
          {align: 'left', opacity: 0.8});
    }
    else {
      let newCreep, prio
      for (let [roleName, role] of Object.entries(ROLES)) {
        let roleCreeps = _.filter(Game.creeps, {memory: {role: roleName, colony: spawn.room.name}});
        if (minRoleCount === undefined || minRoleCount > roleCreeps.length) {
          minRoleCount = roleCreeps.length
        }
        if (roleCreeps.length > 0 && spawn.room.memory.emergency && spawn.room.energyAvailable < spawn.room.energyCapacityAvailable) {
          continue
        }
        let newName = roleName + Game.time;
        let body = []
        let memory = {role: roleName, colony: spawn.room.name}
        if (role.nextSpawn) {
          let nextSpawn = role.nextSpawn(spawn, roleCreeps)
          if (nextSpawn) {
            [body, memory] = nextSpawn
          }
        }
        else if (roleName === 'harvester') {
          for (let source of spawn.room.find(FIND_SOURCES)) {
            let spots = spawn.room.memory.harvestingSpots[source.id]
            let harvestingCapacity = 0
            let sourceHarvesters = _.filter(Game.creeps, {memory: {role: 'harvester', source: source.id}})
            if (sourceHarvesters.length >= spots.length) {
              continue
            }
            for (let harvester of sourceHarvesters) {
              if (harvester.ticksToLive > harvester.body.length * 3 + source.room.memory.sourcesData[source.id].spawnDistance) {
                harvestingCapacity += harvester.getActiveBodyparts(WORK) * 2 * 300
              }
            }
            if (harvestingCapacity < source.energyCapacity) {
              for (let b of role.bodies) {
                if (getBodyCost(b) <= (spawn.room.memory.emergency ? spawn.room.energyAvailable : spawn.room.energyCapacityAvailable)) {
                  body = b
                  memory.source = source.id
                } else {
                  break
                }
              }
            }
          }
        }
        else if (roleName === 'remoteHarvester') {
          for (let roomName of activeRemotes) {
            let roomMemory = Memory.rooms[roomName]
            if (roomMemory) {
              for (let [sourceId, sourceData] of Object.entries(roomMemory.sourcesData)) {
                let spots = roomMemory.harvestingSpots[sourceId]
                let harvestingCapacity = 0
                let sourceHarvesters = _.filter(Game.creeps, {memory: {role: 'remoteHarvester', source: sourceId}})
                if (sourceHarvesters.length >= spots.length) {
                  continue
                }
                for (let harvester of sourceHarvesters) {
                  if (harvester.ticksToLive > harvester.body.length * 3 + sourceData.spawnDistance) {
                    harvestingCapacity += harvester.getActiveBodyparts(WORK) * 2 * 300
                  }
                }
                if (harvestingCapacity < sourceData.energyCapacity) {
                  for (let b of role.bodies) {
                    if (getBodyCost(b) <= spawn.room.energyCapacityAvailable) {
                      body = b
                      memory.source = sourceId
                      memory.room = roomName
                      if (_.filter(b, WORK).length * 2 * 300 > sourceData.energyCapacity) {
                        break
                      }
                    } else {
                      break
                    }
                  }
                }
              }
            }
          }
        }
        else if (roleCreeps.length < (role.getCount ? role.getCount(spawn.room) : role.count) && role.idling === 0) {
          if (Array.isArray(role.bodies)) {
            for (let b of role.bodies) {
              if (getBodyCost(b) <= (spawn.room.memory.emergency ? spawn.room.energyAvailable : spawn.room.energyCapacityAvailable)) {
                body = b
              } else {
                break
              }
            }
          } else {
            body = role.baseBody
            while (getBodyCost(body) + getBodyCost(role.expandBody) <= (spawn.room.memory.emergency ? spawn.room.energyAvailable : spawn.room.energyCapacityAvailable)) {
              body = body.concat(role.expandBody)
              if (body.length >= role.baseBody.length + role.expandBody.length * role.maxExpands) {
                break
              }
            }
          }
        }
        memory.role = roleName
        memory.colony = spawn.room.name
        if (body.length && (!prio || role.prio * (roleCreeps.length + 1) < prio)) {
          newCreep = [body, newName, {memory}]
          prio = role.prio * (roleCreeps.length + 1)
        }
      }
      if (spawn.room.memory.lastEnergy !== spawn.room.energyAvailable) {
        spawn.room.memory.energyIncreasedAt = Game.time
        spawn.room.memory.lastEnergy = spawn.room.energyAvailable
      }
      spawn.room.memory.emergency = false
      if (newCreep) {
        newCreep[2].energyStructures = spawn.room.memory.energyStructuresPriority.map(el => Game.getObjectById(el))
        spawn.spawnCreep(...newCreep)
        spawn.room.memory.spawnIdle++
        spawn.room.visual.text(
            `Next: ${newCreep[1]}`,
            spawn.pos.x + 1,
            spawn.pos.y,
            {align: 'left', opacity: 0.8, size: 0.3});

        if (minRoleCount === 0) {
          let timeToEmergency = Math.max(
              EMERGENCY_MODE_TIMEOUT - spawn.room.memory.spawnIdle,
              EMERGENCY_MODE_TIMEOUT - (Game.time - spawn.room.memory.energyIncreasedAt)
          )
          if (timeToEmergency <= 0) {
            spawn.room.memory.emergency = true
            spawn.room.visual.text(
                `Prio${prio} emergency spawn ${newCreep[1]} (${newCreep[0]})`,
                spawn.pos.x + 1,
                spawn.pos.y,
                {align: 'left', opacity: 0.8});
          } else if (timeToEmergency <= 50) {
            spawn.room.visual.text(
                'Emergency in ' + timeToEmergency,
                spawn.pos.x + 1,
                spawn.pos.y,
                {align: 'left', opacity: 0.8});
          }
        }
      }/* else {
        let renewableCreeps = spawn.pos.findInRange(FIND_MY_CREEPS, 1, {filter: c => c.ticksToLive < 1200})
        if (renewableCreeps.length > 0) {
          spawn.renewCreep(renewableCreeps[0])
        }
      }*/
    }
  },
}