--- **Ops** - Brigade Platoon.
--
-- **Main Features:**
--
--    * Set parameters like livery, skill valid for all platoon members.
--    * Define modex and callsigns.
--    * Define mission types, this platoon can perform (see Ops.Auftrag#AUFTRAG).
--    * Pause/unpause platoon operations.
--
-- ===
--
-- ### Author: **funkyfranky**
-- @module Ops.Platoon
-- @image OPS_Platoon.png


--- PLATOON class.
-- @type PLATOON
-- @field #string ClassName Name of the class.
-- @field #number verbose Verbosity level.
-- @field Ops.OpsGroup#OPSGROUP.WeaponData weaponData Weapon data table with key=BitType.
-- @extends Ops.Cohort#COHORT

--- *Some cool cohort quote* -- Known Author
--
-- ===
--
-- # The PLATOON Concept
-- 
-- A PLATOON is essential part of an BRIGADE.
--
--
--
-- @field #PLATOON
PLATOON = {
  ClassName      = "PLATOON",
  verbose        =     0,
  weaponData     =    {},
}

--- PLATOON class version.
-- @field #string version
PLATOON.version="0.1.0"

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-- TODO list
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-- TODO: Add weapon data.

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-- Constructor
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--- Create a new PLATOON object and start the FSM.
-- @param #PLATOON self
-- @param #string TemplateGroupName Name of the template group.
-- @param #number Ngroups Number of asset groups of this platoon. Default 3.
-- @param #string PlatoonName Name of the platoon, e.g. "VFA-37".
-- @return #PLATOON self
function PLATOON:New(TemplateGroupName, Ngroups, PlatoonName)

  -- Inherit everything from COHORT class.
  local self=BASE:Inherit(self, COHORT:New(TemplateGroupName, Ngroups, PlatoonName)) -- #PLATOON


  return self
end

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-- User functions
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  -- TODO: Platoon specific user functions.

--- Set brigade of this platoon.
-- @param #PLATOON self
-- @param Ops.Brigade#BRIGADE Brigade The brigade.
-- @return #PLATOON self
function PLATOON:SetBrigade(Brigade)
  self.legion=Brigade
  return self
end

--- Get brigade of this platoon.
-- @param #PLATOON self
-- @return Ops.Brigade#BRIGADE The brigade.
function PLATOON:GetBrigade()
  return self.legion
end

--- Add a weapon range for ARTY auftrag.
-- @param #PLATOON self
-- @param #number RangeMin Minimum range in nautical miles. Default 0 NM.
-- @param #number RangeMax Maximum range in nautical miles. Default 10 NM.
-- @param #number BitType Bit mask of weapon type for which the given min/max ranges apply. Default is `ENUMS.WeaponFlag.Auto`, i.e. for all weapon types.
-- @return #PLATOON self
function PLATOON:AddWeaponRange(RangeMin, RangeMax, BitType)

  RangeMin=UTILS.NMToMeters(RangeMin or 0)
  RangeMax=UTILS.NMToMeters(RangeMax or 10)

  local weapon={} --Ops.OpsGroup#OPSGROUP.WeaponData

  weapon.BitType=BitType or ENUMS.WeaponFlag.Auto
  weapon.RangeMax=RangeMax
  weapon.RangeMin=RangeMin

  self.weaponData=self.weaponData or {}
  self.weaponData[tostring(weapon.BitType)]=weapon
  
  -- Debug info.
  env.info(string.format("FF Adding weapon data: Bit=%s, Rmin=%d m, Rmax=%d m", tostring(weapon.BitType), weapon.RangeMin, weapon.RangeMax))
  
  local text="Weapon data:"
  for _,_weapondata in pairs(self.weaponData) do
    local weapondata=_weapondata
    text=text..string.format("\n- Bit=%s, Rmin=%d m, Rmax=%d m", tostring(weapondata.BitType), weapondata.RangeMin, weapondata.RangeMax)
  end
  self:I(self.lid..text)

  return self
end

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-- Start & Status
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--- On after Start event. Starts the FLIGHTGROUP FSM and event handlers.
-- @param #PLATOON self
-- @param #string From From state.
-- @param #string Event Event.
-- @param #string To To state.
function PLATOON:onafterStart(From, Event, To)

  -- Short info.
  local text=string.format("Starting %s v%s %s", self.ClassName, self.version, self.name)
  self:I(self.lid..text)

  -- Start the status monitoring.
  self:__Status(-1)
end

--- On after "Status" event.
-- @param #PLATOON self
-- @param #string From From state.
-- @param #string Event Event.
-- @param #string To To state.
function PLATOON:onafterStatus(From, Event, To)

  if self.verbose>=1 then

    -- FSM state.
    local fsmstate=self:GetState()
  
    local callsign=self.callsignName and UTILS.GetCallsignName(self.callsignName) or "N/A"
    local modex=self.modex and self.modex or -1
    local skill=self.skill and tostring(self.skill) or "N/A"
    
    local NassetsTot=#self.assets
    local NassetsInS=self:CountAssets(true)
    local NassetsQP=0 ; local NassetsP=0 ; local NassetsQ=0  
    if self.legion then
      NassetsQP, NassetsP, NassetsQ=self.legion:CountAssetsOnMission(nil, self)
    end
    
    -- Short info.
    local text=string.format("%s [Type=%s, Call=%s, Modex=%d, Skill=%s]: Assets Total=%d, Stock=%d, Mission=%d [Active=%d, Queue=%d]", 
    fsmstate, self.aircrafttype, callsign, modex, skill, NassetsTot, NassetsInS, NassetsQP, NassetsP, NassetsQ)
    self:I(self.lid..text)
    
    -- Weapon data info.
    if self.verbose>=3 and self.weaponData then
      local text="Weapon Data:"
      for bit,_weapondata in pairs(self.weaponData) do
        local weapondata=_weapondata --Ops.OpsGroup#OPSGROUP.WeaponData
        text=text..string.format("\n- Bit=%s: Rmin=%.1f km, Rmax=%.1f km", bit, weapondata.RangeMin/1000, weapondata.RangeMax/1000)
      end
      self:I(self.lid..text)
    end
    
    -- Check if group has detected any units.
    self:_CheckAssetStatus()
    
  end  
  
  if not self:IsStopped() then
    self:__Status(-60)
  end
end

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-- Misc Functions
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-- TODO: Misc functions.

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