/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2024, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Mission Briefing Dialog Active Window class
*/

#include "MsnObjDlg.h"
#include "PlanScreen.h"
#include "Campaign.h"
#include "Mission.h"
#include "Ship.h"
#include "ShipDesign.h"
#include "ShipSolid.h"
#include "StarSystem.h"

#include "Game.h"
#include "ContentBundle.h"
#include "Mouse.h"
#include "Button.h"
#include "ComboBox.h"
#include "ListBox.h"
#include "Slider.h"
#include "ParseUtil.h"
#include "FormatUtil.h"
#include "Light.h"
#include "Solid.h"
#include "Keyboard.h"

// +--------------------------------------------------------------------+
// DECLARE MAPPING FUNCTIONS:
DEF_MAP_CLIENT(MsnObjDlg, OnCommit);
DEF_MAP_CLIENT(MsnObjDlg, OnCancel);
DEF_MAP_CLIENT(MsnObjDlg, OnTabButton);
DEF_MAP_CLIENT(MsnObjDlg, OnSkin);

// +--------------------------------------------------------------------+

MsnObjDlg::MsnObjDlg(Screen* s, FormDef& def, PlanScreen* mgr)
: FormWindow(s,  0,  0, s->Width(), s->Height()), MsnDlg(mgr),
objectives(0), sitrep(0), beauty(0), camview(0), player_desc(0),
ship(0)
{
    campaign = Campaign::GetCampaign();

    if (campaign)
    mission = campaign->GetMission();

    Init(def);
}

MsnObjDlg::~MsnObjDlg()
{
}

// +--------------------------------------------------------------------+

void
MsnObjDlg::RegisterControls()
{
    objectives  =             FindControl(400);
    sitrep      =             FindControl(401);
    beauty      =             FindControl(300);
    player_desc =             FindControl(301);
    cmb_skin    = (ComboBox*) FindControl(302);

    RegisterMsnControls(this);

    if (commit)
    REGISTER_CLIENT(EID_CLICK, commit, MsnObjDlg, OnCommit);

    if (cancel)
    REGISTER_CLIENT(EID_CLICK, cancel, MsnObjDlg, OnCancel);

    if (sit_button)
    REGISTER_CLIENT(EID_CLICK, sit_button, MsnObjDlg, OnTabButton);

    if (pkg_button)
    REGISTER_CLIENT(EID_CLICK, pkg_button, MsnObjDlg, OnTabButton);

    if (nav_button)
    REGISTER_CLIENT(EID_CLICK, nav_button, MsnObjDlg, OnTabButton);

    if (wep_button)
    REGISTER_CLIENT(EID_CLICK, wep_button, MsnObjDlg, OnTabButton);

    if (cmb_skin) {
        REGISTER_CLIENT(EID_SELECT, cmb_skin,  MsnObjDlg, OnSkin);
    }

    if (beauty) {
        scene.SetAmbient(Color(72,75,78));

        Point light_pos(3e6, 5e6, 4e6);

        Light* main_light = new Light(1.2f);
        main_light->MoveTo(light_pos);
        main_light->SetType(Light::LIGHT_DIRECTIONAL);
        main_light->SetColor(Color::White);
        main_light->SetShadow(true);

        scene.AddLight(main_light);

        Light* back_light = new Light(0.35f);
        back_light->MoveTo(light_pos * -1);
        back_light->SetType(Light::LIGHT_DIRECTIONAL);
        back_light->SetColor(Color::White);
        back_light->SetShadow(false);

        scene.AddLight(back_light);

        camview = new CameraView(beauty, &cam, &scene);
        camview->SetProjectionType(Video::PROJECTION_PERSPECTIVE);
        camview->SetFieldOfView(2);

        beauty->AddView(camview);
    }
}

// +--------------------------------------------------------------------+

void
MsnObjDlg::Show()
{
    bool update_scene = !shown;

    FormWindow::Show();
    ShowMsnDlg();

    if (objectives) {
        if (mission) {
            if (mission->IsOK())
            objectives->SetText(mission->Objective());
            else
            objectives->SetText("");
        }
        else {
            objectives->SetText(ContentBundle::GetInstance()->GetText("MsnDlg.no-mission"));
        }
    }

    if (sitrep) {
        if (mission) {
            if (mission->IsOK())
            sitrep->SetText(mission->Situation());
            else
            sitrep->SetText(ContentBundle::GetInstance()->GetText("MsnDlg.found-errors") +
            mission->ErrorMessage());
        }
        else {
            sitrep->SetText(ContentBundle::GetInstance()->GetText("MsnDlg.no-mission"));
        }
    }

    if (cmb_skin) {
        cmb_skin->ClearItems();
        cmb_skin->Hide();
    }

    if (beauty) {
        if (mission && mission->IsOK()) {
            MissionElement*   elem   = mission->GetPlayer();

            if (elem) {
                const ShipDesign* design = elem->GetDesign();

                if (design && camview && update_scene) {
                    double az   = -PI/6;
                    double el   =  PI/8;
                    double zoom = 1.8;

                    scene.Graphics().clear();

                    if (elem->IsStarship()) {
                        az   = -PI/8;
                        el   =  PI/12;
                        zoom = 1.7;
                    }

                    if (design->beauty_cam.z > 0) {
                        az   = design->beauty_cam.x;
                        el   = design->beauty_cam.y;
                        zoom = design->beauty_cam.z;
                    }

                    double r = design->radius;
                    double x = zoom * r * sin(az) * cos(el);
                    double y = zoom * r * cos(az) * cos(el);
                    double z = zoom * r *           sin(el);

                    cam.LookAt(Point(0,0,r/5), Point(x,z,y), Point(0,1,0));

                    int n = design->lod_levels;

                    if (n >= 1) {
                        Model* model = design->models[n-1].at(0);

                        if (model) {
                            ship = new ShipSolid(0);
                            ship->UseModel(model);
                            ship->CreateShadows(1);
                            ship->SetSkin(elem->GetSkin());

                            Matrix o;
                            o.Pitch( 3 * DEGREES);
                            o.Roll( 13 * DEGREES);

                            ship->SetOrientation(o);

                            scene.Graphics().append(ship);
                        }
                    }
                }

                if (cmb_skin && design && design->skins.size()) {
                    cmb_skin->Show();
                    cmb_skin->AddItem(ContentBundle::GetInstance()->GetText("MsnDlg.default"));
                    cmb_skin->SetSelection(0);
                    ListIter<Skin> iter = ((ShipDesign*) design)->skins;

                    while (++iter) {
                        Skin* s = iter.value();
                        cmb_skin->AddItem(s->Name());

                        if (elem && elem->GetSkin() && !strcmp(s->Name(), elem->GetSkin()->Name())) {
                            cmb_skin->SetSelection(cmb_skin->NumItems()-1);
                        }
                    }
                }
            }
        }
    }

    if (player_desc) {
        player_desc->SetText("");

        if (mission && mission->IsOK()) {
            MissionElement* elem = mission->GetPlayer();

            if (elem) {
                const ShipDesign* design = elem->GetDesign();

                if (design) {
                    char txt[256];

                    if (design->type <= Ship::ATTACK)
                    sprintf_s(txt, "%s %s", design->abrv, design->display_name);
                    else
                    sprintf_s(txt, "%s %s", design->abrv, elem->Name().data());

                    player_desc->SetText(txt);
                }
            }
        }
    }
}

// +--------------------------------------------------------------------+

void
MsnObjDlg::ExecFrame()
{
    if (Keyboard::KeyDown(VK_RETURN)) {
        OnCommit(0);
    }
}

// +--------------------------------------------------------------------+

void
MsnObjDlg::OnSkin(AWEvent* event)
{
    Text skin_name = cmb_skin->GetSelectedItem();

    if (mission && mission->IsOK()) {
        MissionElement*   elem   = mission->GetPlayer();

        if (elem) {
            const ShipDesign* design = elem->GetDesign();

            if (design) {
                const Skin* skin = design->FindSkin(skin_name);

                elem->SetSkin(skin);

                if (ship)
                ship->SetSkin(skin);
            }
        }
    }
}

void
MsnObjDlg::OnCommit(AWEvent* event)
{
    MsnDlg::OnCommit(event);
}

void
MsnObjDlg::OnCancel(AWEvent* event)
{
    MsnDlg::OnCancel(event);
}

void
MsnObjDlg::OnTabButton(AWEvent* event)
{
    MsnDlg::OnTabButton(event);
}