--[[
Copyright (c) 2013, Ricky Gall
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of azureSets nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL The Addon's Contributors BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
]]


_addon.name = 'AzureSets'
_addon.version = '1.23'
_addon.author = 'Nitrous (Shiva)'
_addon.commands = {'aset','azuresets','asets'}

require('tables')
require('strings')
require('logger')
config = require('config')
files = require('files')
res = require('resources')
chat = require('chat')

defaults = {}
defaults.setmode = 'PreserveTraits'
defaults.setspeed = 0.65
defaults.spellsets = {}
defaults.spellsets.default = T{}
defaults.spellsets.vw1 = T{slot01='Firespit', slot02='Heat Breath', slot03='Thermal Pulse', slot04='Blastbomb',
slot05='Infrasonics', slot06='Frost Breath', slot07='Ice Break', slot08='Cold Wave',
slot09='Sandspin', slot10='Magnetite Cloud', slot11='Cimicine Discharge', slot12='Bad Breath',
slot13='Acrid Stream', slot14='Maelstrom', slot15='Corrosive Ooze', slot16='Cursed Sphere',
slot17='Awful Eye'
}
defaults.spellsets.vw2 = T{slot01='Hecatomb Wave', slot02='Mysterious Light', slot03='Leafstorm', slot04='Reaving Wind',
slot05='Temporal Shift', slot06='Mind Blast', slot07='Blitzstrahl', slot08='Charged Whisker',
slot09='Blank Gaze', slot10='Radiant Breath', slot11='Light of Penance', slot12='Actinic Burst',
slot13='Death Ray', slot14='Eyes On Me', slot15='Sandspray'
}

settings = config.load(defaults)

function initialize()
    spells = res.spells:type('BlueMagic')
    get_current_spellset()
end

windower.register_event('load', initialize:cond(function() return windower.ffxi.get_info().logged_in end))

windower.register_event('login', initialize)

windower.register_event('job change', initialize:cond(function(job) return job == 16 end))

function set_spells(spellset, setmode)
    if windower.ffxi.get_player()['main_job_id'] ~= 16 --[[and windower.ffxi.get_player()['sub_job_id'] ~= 16]] then
        error('Main job not set to Blue Mage.')
        return
    end
    if settings.spellsets[spellset] == nil then
        error('Set not defined: '..spellset)
        return
    end
    if is_spellset_equipped(settings.spellsets[spellset]) then
        log(spellset..' was already equipped.')
        return
    end

    log('Starting to set '..spellset..'.')
    if setmode:lower() == 'clearfirst' then
        remove_all_spells()
        set_spells_from_spellset:schedule(settings.setspeed, spellset, 'add')
    elseif setmode:lower() == 'preservetraits' then
        set_spells_from_spellset(spellset, 'remove')
    else
        error('Unexpected setmode: '..setmode)
    end
end

function is_spellset_equipped(spellset)
    return S(spellset):map(string.lower) == S(get_current_spellset())
end

function set_spells_from_spellset(spellset, setPhase)
    local setToSet = settings.spellsets[spellset]
    local currentSet = get_current_spellset()

    if setPhase == 'remove' then
        -- Remove Phase
        for k,v in pairs(currentSet) do
            if not setToSet:contains(v:lower()) then
                setSlot = k
                local slotToRemove = tonumber(k:sub(5, k:len()))

                windower.ffxi.remove_blue_magic_spell(slotToRemove)
                --log('Removed spell: '..v..' at #'..slotToRemove)
                set_spells_from_spellset:schedule(settings.setspeed, spellset, 'remove')
                return
            end
        end
    end
    -- Did not find spell to remove. Start set phase
    -- Find empty slot:
    local slotToSetTo
    for i = 1, 20 do
        local slotName = 'slot%02u':format(i)
        if currentSet[slotName] == nil then
            slotToSetTo = i
            break
        end
    end

    if slotToSetTo ~= nil then
        -- We found an empty slot. Find a spell to set.
        for k,v in pairs(setToSet) do
            if not currentSet:contains(v:lower()) then
                if v ~= nil then
                    local spellID = find_spell_id_by_name(v)
                    if spellID ~= nil then
                        windower.ffxi.set_blue_magic_spell(spellID, tonumber(slotToSetTo))
                        --log('Set spell: '..v..' ('..spellID..') at: '..slotToSetTo)
                        set_spells_from_spellset:schedule(settings.setspeed, spellset, 'add')
                        return
                    end
                end
            end
        end
    end

    -- Unable to find any spells to set. Must be complete.
    log(spellset..' has been equipped.')
    windower.send_command('@timers c "Blue Magic Cooldown" 60 up')
end

function find_spell_id_by_name(spellname)
    for spell in spells:it() do
        if spell['english']:lower() == spellname:lower() then
            return spell['id']
        end
    end
    return nil
end

function set_single_spell(setspell,slot)
    if windower.ffxi.get_player()['main_job_id'] ~= 16 --[[and windower.ffxi.get_player()['sub_job_id'] ~= 16]] then return nil end

    local tmpTable = T(get_current_spellset())
    for key,val in pairs(tmpTable) do
        if tmpTable[key]:lower() == setspell then
            error('That spell is already set.')
            return
        end
    end
    if tonumber(slot) < 10 then slot = '0'..slot end
    --insert spell add code here
    for spell in spells:it() do
        if spell['english']:lower() == setspell then
            --This is where single spell setting code goes.
            --Need to set by spell id rather than name.
            windower.ffxi.set_blue_magic_spell(spell['id'], tonumber(slot))
            windower.send_command('@timers c "Blue Magic Cooldown" 60 up')
            tmpTable['slot'..slot] = setspell
        end
    end
    tmpTable = nil
end

function get_current_spellset()
    if windower.ffxi.get_player().main_job_id ~= 16 then return nil end
    return T(windower.ffxi.get_mjob_data().spells)
    -- Returns all values but 512
    :filter(function(id) return id ~= 512 end)
    -- Transforms them from IDs to lowercase English names
    :map(function(id) return spells[id].english:lower() end)
    -- Transform the keys from numeric x or xx to string 'slot0x' or 'slotxx'
    :key_map(function(slot) return 'slot%02u':format(slot) end)
end

function remove_all_spells(trigger)
    windower.ffxi.reset_blue_magic_spells()
    notice('All spells removed.')
end

function save_set(setname)
    if setname == 'default' then
        error('Please choose a name other than default.')
        return
    end
    local curSpells = T(get_current_spellset())
    settings.spellsets[setname] = curSpells
    settings:save('all')
    notice('Set '..setname..' saved.')
end

function delete_set(setname)
    if settings.spellsets[setname] == nil then
        error('Please choose an existing spellset.')
        return
    end    
    settings.spellsets[setname] = nil
    settings:save('all')
    notice('Deleted '..setname..'.')
end

function get_spellset_list()
    log("Listing sets:")
    for key,_ in pairs(settings.spellsets) do
        if key ~= 'default' then
            local it = 0
            for i = 1, #settings.spellsets[key] do
                it = it + 1
            end
            log("\t"..key..' '..settings.spellsets[key]:length()..' spells.')
        end
    end
end

function get_spellset_content(spellset)
    log('Getting '..spellset..'\'s spell list:')
    settings.spellsets[spellset]:print()
end

windower.register_event('addon command', function(...)
    if windower.ffxi.get_player()['main_job_id'] ~= 16 --[[and windower.ffxi.get_player()['sub_job_id'] ~= 16]] then
        error('You are not on (main) Blue Mage.')
        return nil
    end
    local args = T{...}
    if args ~= nil then
        local comm = table.remove(args,1):lower()
        if comm == 'removeall' then
            remove_all_spells('trigger')
        elseif comm == 'add' then
            if args[2] ~= nil then
                local slot = table.remove(args,1)
                local spell = args:sconcat()
                set_single_spell(spell:lower(),slot)
            end
        elseif comm == 'save' then
            if args[1] ~= nil then
                save_set(args[1])
            end
        elseif comm == 'delete' then
            if args[1] ~= nil then
                delete_set(args[1])
            end
        elseif comm == 'spellset' or comm == 'set' then
            if args[1] ~= nil then
                set_spells(args[1], args[2] or settings.setmode)
            end
        elseif comm == 'currentlist' then
            get_current_spellset():print()
        elseif comm == 'setlist' then
            get_spellset_list()
        elseif comm == 'spelllist' then
            if args[1] ~= nil then
                get_spellset_content(args[1])
            end
        elseif comm == 'help' then
            local helptext = [[AzureSets - Command List:')
            1. removeall - Unsets all spells.
            2. spellset <setname> [ClearFirst|PreserveTraits] -- Set (setname)'s spells,
                             optional parameter: ClearFirst or PreserveTraits: overrides
                             setting to clear spells first or remove individually,
                             preserving traits where possible. Default: use settings or
                             preservetraits if settings not configured.
            3. set <setname> (clearfirst|preservetraits) -- Same as spellset
            4. add <slot> <spell> -- Set (spell) to slot (slot (number)).
            5. save <setname> -- Saves current spellset as (setname).
            6. delete <setname> -- Delete (setname) spellset.
            7. currentlist -- Lists currently set spells.
            8. setlist -- Lists all spellsets.
            9. spelllist <setname> -- List spells in (setname)
            10. help --Shows this menu.]]
            for _, line in ipairs(helptext:split('\n')) do
                windower.add_to_chat(207, line..chat.controls.reset)
            end
        end
    end
end)