-- Dormant framework: no missions, events, callbacks or commands are registered
-- until a future migration explicitly calls register on an instance.
local ids = require 'shared.mission_ids'

local Registry = {}
Registry.__index = Registry

function Registry.new()
    return setmetatable({ missions = {} }, Registry)
end

function Registry:register(mission)
    assert(type(mission) == 'table' and type(mission.id) == 'string', 'mission.id is required')
    assert(ids.definitions[mission.id], 'unknown mission ID: ' .. mission.id)
    assert(not self.missions[mission.id], 'duplicate mission ID: ' .. mission.id)
    self.missions[mission.id] = mission
    return mission
end

function Registry:get(missionId)
    return self.missions[missionId]
end

function Registry:resolveProgPhase(contact, notation)
    local phase = ids.parseProgPhase(contact, notation)
    if not phase then return nil end

    local mission = self.missions[phase.missionId]
    if not mission or not mission.phases or not mission.phases[phase.phaseName] then
        return nil
    end

    return mission, mission.phases[phase.phaseName], phase
end

function Registry:list()
    local result = {}
    for id, mission in pairs(self.missions) do
        result[#result + 1] = { id = id, mission = mission }
    end
    table.sort(result, function(a, b) return a.id < b.id end)
    return result
end

return Registry