import { ref } from 'vue';
import { chatApi } from '@/api/v1';
import type { Project } from '@/components/chat/ProjectList.vue';

export function useProjects() {
    const projects = ref<Project[]>([]);
    const selectedProjectId = ref<string | null>(null);

    async function getProjects() {
        try {
            const res = await chatApi.listProjects();
            if (res.data.status === 'ok') {
                projects.value = res.data.data || [];
                
            }
        } catch (error) {
            console.error('Failed to fetch projects:', error);
        }
    }

    async function createProject(title: string, emoji?: string, description?: string) {
        try {
            const res = await chatApi.createProject({
                title,
                emoji: emoji || '📁',
                description
            });
            if (res.data.status === 'ok') {
                await getProjects();
                return res.data.data;
            }
        } catch (error) {
            console.error('Failed to create project:', error);
        }
    }

    async function updateProject(projectId: string, title?: string, emoji?: string, description?: string) {
        try {
            const res = await chatApi.updateProject(projectId, {
                title,
                emoji,
                description
            });
            if (res.data.status === 'ok') {
                await getProjects();
            }
        } catch (error) {
            console.error('Failed to update project:', error);
        }
    }

    async function deleteProject(projectId: string) {
        try {
            const res = await chatApi.deleteProject(projectId);
            if (res.data.status === 'ok') {
                await getProjects();
                if (selectedProjectId.value === projectId) {
                    selectedProjectId.value = null;
                }
            }
        } catch (error) {
            console.error('Failed to delete project:', error);
        }
    }

    async function addSessionToProject(sessionId: string, projectId: string) {
        try {
            const res = await chatApi.addProjectSession(projectId, sessionId);
            return res.data.status === 'ok';
        } catch (error) {
            console.error('Failed to add session to project:', error);
            return false;
        }
    }

    async function removeSessionFromProject(sessionId: string) {
        try {
            const res = await chatApi.removeProjectSession(sessionId);
            return res.data.status === 'ok';
        } catch (error) {
            console.error('Failed to remove session from project:', error);
            return false;
        }
    }

    async function getProjectSessions(projectId: string) {
        try {
            const res = await chatApi.listProjectSessions(projectId);
            if (res.data.status === 'ok') {
                return res.data.data || [];
            }
            return [];
        } catch (error) {
            console.error('Failed to fetch project sessions:', error);
            return [];
        }
    }

    return {
        projects,
        selectedProjectId,
        getProjects,
        createProject,
        updateProject,
        deleteProject,
        addSessionToProject,
        removeSessionFromProject,
        getProjectSessions
    };
}
